Electronic paper device and its refreshing method

Abstract

The electronic paper device and its refreshing method provided by the present application include a first housing, an electronic paper display screen, a first conductive contact, a first system bus, and a power management circuit. The electronic paper display screen is disposed on the first housing. The first conductive contact is disposed on the first housing. The first conductive contact is used for contact connection with an electronic paper refreshing device. The first system bus and the power management circuit are disposed inside the first housing. The first system bus is connected to the first conductive contact, the electronic paper display screen, and the power management circuit. The power management circuit is connected to the electronic paper display screen. The electronic paper refreshing device provides power and display information to the first system bus through the first conductive contact. The electronic paper device is connected to the first system bus and the power management circuit through the first conductive contact, which can simplify the structure of the electronic paper device.

Description

Technical Field

[0001] This application relates to the field of electronic products, and particularly to an electronic paper device and a refreshing method thereof. Background Art

[0002] Generally, the display technology that can achieve comfortable reading like paper, ultra-thin and light, bendable, and ultra-low power consumption is called electronic paper technology; and an electronic paper is such an electronic display similar to paper, which has the advantages of paper (such as almost exactly the same visual sense as paper, etc.). However, the existing electronic paper charging and signal transmission lines are complex, so the structure of the electronic paper is complex. Summary of the Invention

[0003] Based on this, it is necessary to provide an electronic paper device and a refreshing method thereof for the above technical problems.

[0004] An embodiment of this application provides an electronic paper device, which is characterized by including:

[0005] A first housing;

[0006] An electronic paper display screen, disposed on the first housing;

[0007] A first conductive contact, disposed on the first housing, for contact connection with an electronic paper refreshing device;

[0008] A first system bus and a power management circuit, disposed in the first housing, the first system bus is connected to the first conductive contact, the electronic paper display screen and the power management circuit, the power management circuit is connected to the electronic paper display screen, and the electronic paper refreshing device provides power and display information to the first system bus through the first conductive contact;

[0009] The power management circuit is used to provide a refreshing voltage to the electronic paper display screen, and the first system bus is used to provide display information to the electronic paper display screen.

[0010] In one of the embodiments, the electronic paper refreshing device is further included, and the electronic paper refreshing device includes:

[0011] A second housing;

[0012] A second conductive contact, disposed on the second housing, for contact connection with the first conductive contact;

[0013] A second system bus, connected to the second conductive contact, the second system bus is used to receive the display information and the power, and the second system bus is further used to send the power and the display information to the first system bus through the first conductive contact and the second conductive contact.

[0014] In one embodiment, the second housing is further provided with a communication interface, and the communication interface is used to receive the display information provided by the terminal.

[0015] In one embodiment, the second housing is further provided with a DC power supply.

[0016] In one embodiment, it further includes an NFC coil or a Bluetooth module, which is used to achieve non-contact transmission of the information to be displayed with the terminal.

[0017] A refreshing method for an electronic paper device, which is applied to the electronic paper device described in claim 5 and has a power supply interface, and the power supply interface is used to receive the

[0018] provided by the terminal. The method includes:

[0019] Determine whether the first conductive contact and the first system bus receive power;

[0020] If the first conductive contact and the first system bus receive the power, then determine whether there is display information to be updated;

[0021] If there is display information to be updated, update the display information on the electronic paper display screen.

[0022] In one embodiment, if there is no display information to be updated, continue to determine whether there is display information to be updated.

[0023] The embodiment of the present application further provides a refreshing method for an electronic paper device, which is applied to the electronic paper device described in claim 5. The method includes:

[0024] Input or modify the information to be displayed;

[0025] The electronic paper display screen previews the information to be displayed;

[0026] Determine whether to change the display template;

[0027] If the display template is changed, update the display template previewed on the electronic paper display screen;

[0028] Detect whether the connection between the electronic paper refreshing device and the electronic paper device is normal;

[0029] If the connection between the electronic paper refreshing device and the electronic paper device is normal, send the display information to the electronic paper display screen through the second conductive contact, the first conductive contact, and the first system bus to update the display information.

[0030] In one embodiment, if the connection between the electronic paper refreshing device and the electronic paper device is abnormal, then the step of continuing to input or modify the information to be displayed is performed.

[0031] In one embodiment, if it is not necessary to replace the display template, then the step of detecting whether the connection between the electronic paper refreshing device and the electronic paper device is normal is performed.

[0032] The electronic paper device provided by the embodiment of the present application includes a first housing, an electronic paper display screen, a first conductive contact, a first system bus, and a power management circuit. The electronic paper display screen is disposed on the first housing. The first conductive contact is disposed on the first housing. The first conductive contact is used for contact connection with the electronic paper refreshing device. The first system bus and the power management circuit are disposed inside the first housing. The first system bus is connected to the first conductive contact, the electronic paper display screen, and the power management circuit. The power management circuit is connected to the electronic paper display screen. The electronic paper refreshing device provides power and display information to the first system bus through the first conductive contact.

[0033] The electronic paper device is connected to the first system bus and the power management circuit through the first conductive contact, which can simplify the structure of the electronic paper device. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present application. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0035] Figure 1 It is a module diagram of the electronic paper device provided by the embodiment of the present application;

[0036] Figure 2 It is a front view of the electronic paper device provided by the embodiment of the present application;

[0037] Figure 3 It is a side view of the electronic paper device provided by the embodiment of the present application;

[0038] Figure 4 It is a module diagram of the electronic paper refreshing device provided by the embodiment of the present application;

[0039] Figure 5 It is a schematic diagram of the electronic paper refreshing device provided by the embodiment of the present application;

[0040] Figure 6Schematic diagram of an electronic paper refreshing device provided by another embodiment of the present application;

[0041] Figure 7 Schematic diagram of an electronic paper refreshing device provided by another embodiment of the present application;

[0042] Figure 8 Schematic diagram of an electronic paper refreshing device provided by another embodiment of the present application;

[0043] Figure 9 Side view of an electronic paper refreshing device provided by another embodiment of the present application;

[0044] Figure 10 Flowchart of a refreshing method for an electronic paper device provided by another embodiment of the present application;

[0045] Figure 11 Flowchart of a refreshing method for an electronic paper device provided by another embodiment of the present application.

[0046] Description of reference numerals

[0047] Electronic paper device 10

[0048] First housing 110

[0049] Electronic paper display screen 120

[0050] First conductive contact 130

[0051] First system bus 140

[0052] Power management circuit 150

[0053] Second housing 210

[0054] Second system bus 220

[0055] Second conductive contact 230

[0056] Communication interface 240

[0057] Power interface 250

[0058] Indicator light 260

[0059] Button 270

[0060] Magnet 280 Detailed implementation manners

[0061] In order to make the objectives, technical solutions and advantages of the present application clearer, the present application will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0062] Please refer to Figure 1 , an embodiment of the present application provides an electronic paper device 10. The electronic paper device 10 includes a first housing 110, an electronic paper display screen 120, a first conductive contact 130, a first system bus 140, and a power management circuit 150. The electronic paper display screen 120 is disposed on the first housing 110. The first conductive contact 130 is disposed on the first housing 110. The first conductive contact 130 is used for contact connection with an electronic paper refreshing device. The first system bus 140 and the power management circuit 150 are disposed inside the first housing 110. The first system bus 140 is connected to the first conductive contact 130, the electronic paper display screen 120, and the power management circuit 150. The power management circuit 150 is connected to the electronic paper display screen 120. The electronic paper refreshing device provides power power and display information to the first system bus 140 through the first conductive contact 130.

[0063] Please refer to Figure 2 and Figure 3 , the first housing 110 may be a cuboid structure. The electronic paper display screen 120 is formed in the cavity formed by the first housing 110. The electronic paper display screen 120 can be used to originally display text or picture content. The first conductive contact 130 can play a role in conducting electricity and transmitting data. The first conductive contact 130 can be a magnetic element.

[0064] The electronic paper device 10 can use electrophoretic display technology, cholesteric liquid crystal display technology, electro-wetting display technology, and other display technologies. In one embodiment, the electronic paper display can have any shape and any size, and in some examples, it can be non-planar and can be curved or other shapes.

[0065] The first system bus 140 can have the function of transmitting power power and display information. The display information can be image information. The power management circuit 150 can be used to generate a voltage suitable for driving the information update of the electronic paper device 10. In one embodiment, the voltage generated by the power management circuit 150 suitable for driving the information update of the electronic paper device 10 is 15V. The conductive contact can establish a connection between the electronic paper device 10 and an electronic paper refreshing device, etc. The power management circuit 150 can control the voltage of the electronic paper display screen 120 through an electrode.

[0066] The electronic paper device 10 provided by the embodiments of the present application includes a first housing 110, an electronic paper display screen 120, a first conductive contact 130, a first system bus 140, and a power management circuit 150. The electronic paper display screen 120 is disposed on the first housing 110. The first conductive contact 130 is disposed on the first housing 110. The first conductive contact 130 is used for contact connection with an electronic paper refreshing device. The first system bus 140 and the power management circuit 150 are disposed inside the first housing 110. The first system bus 140 is connected to the first conductive contact 130, the electronic paper display screen 120, and the power management circuit 150. The power management circuit 150 is connected to the electronic paper display screen 120. The electronic paper refreshing device provides power and display information to the first system bus 140 through the first conductive contact 130.

[0067] The electronic paper device 10 is connected to the first system bus 140 and the power management circuit 150 through the first conductive contact 130, which simplifies the structure of the electronic paper device 10.

[0068] Please refer to Figure 4 , in one embodiment, the electronic paper device 10 further includes the electronic paper refreshing device. The electronic paper refreshing device includes a second housing 210, a second conductive contact 230, and a second system bus 220. The second conductive contact 230 is disposed on the second housing 210. The second conductive contact 230 is used for contact connection with the first conductive contact 130. The second system bus 220 is connected to the second conductive contact 230. The second system bus 220 is used for receiving the display information and the power. The second system bus 220 is further used for sending the power and the display information to the first system bus 140 through the first conductive contact 130 and the second conductive contact 230.

[0069] Please refer to Figure 5 and Figure 6, the second housing 210 may be a cylindrical structure. One end of the cylindrical structure may be provided with the second conductive contact 230. The number of the second conductive contacts 230 may be multiple. The second conductive contacts 230 may be mutually attracted to the first conductive contacts 130 to achieve the function of connection. The second system bus 220 may be disposed within the cylindrical structure. The second system bus 220 is connected to the second conductive contacts 230. The second system bus 220 may be used to receive the display information and the power supplied from the outside. The second system bus 220 sends the power and the display information to the first system bus 140 through the first conductive contacts 130 and the second conductive contacts 230. One end of the second housing 210 away from the second conductive contacts 230 may be a magnet, which plays a role of attraction.

[0070] In one embodiment, the electronic paper refreshing device further includes a main control circuit. The main control circuit is connected to the communication interface 240 and the power interface 250. The communication interface 240 is used to receive the display information. The power supply structure is used to receive the power. The main control circuit may be used to process the display information and the power and then transfer them to the second system bus 220 for transmission.

[0071] In one embodiment, the second housing 210 is further provided with the power interface 250. The power interface 250 is used to receive the DC power supply provided by the terminal, that is, the power. The power interface 250 may be interfaces such as USB, TypeC, UART, IIC, SPI, etc. The power interface 250 may obtain the +5V or +3.3V DC power supply provided by a handheld terminal or a smart phone.

[0072] The second housing 210 is further provided with the communication interface 240. The communication interface 240 may be used to transmit the display information. The communication interface 240 may be interfaces such as USB, TypeC, UART, IIC, SPI, etc. The communication interface 240 may receive the electronic paper content information provided by a handheld terminal or a smart phone.

[0073] In one embodiment, the electronic paper device 10 further includes an NFC coil or a Bluetooth module. The NFC coil or the Bluetooth module is used to realize non-contact transmission of the information to be displayed with the terminal.

[0074] Please refer to Figure 7 、 Figure 8 and Figure 9, in one embodiment, the electronic paper refreshing device further includes an indicator light 260 and a button 270: after the information to be displayed is edited, the information is sent through the button 270, and the indicator light 260 indicates whether the information is sent successfully.

[0075] Please refer to Figure 10 , an embodiment of the present application further provides a refreshing method for the electronic paper device 10. The refreshing method of the electronic paper device 10 can be applied to the electronic paper device 10. The method includes:

[0076] S10, determining whether the first conductive contact 130 and the first system bus 140 receive power;

[0077] S20, if the first conductive contact 130 and the first system bus 140 receive the power, determining whether there is display information to be updated;

[0078] S30, if there is display information to be updated, updating the display information on the electronic paper display screen 120.

[0079] In one embodiment, the refreshing method of the electronic paper device 10 further includes

[0080] S21, if there is no display information to be updated, continuing to determine whether there is display information to be updated.

[0081] In one embodiment, the refreshing method of the electronic paper device 10 further includes:

[0082] S22, if the first conductive contact 130 and the first system bus 140 do not receive the power, continuing to execute S10 to determine whether the first conductive contact 130 and the first system bus 140 receive power.

[0083] In one embodiment, the refreshing method of the electronic paper device 10 further includes:

[0084] S31, after updating the display information on the electronic paper display screen 120, continuing to execute the step of determining whether there is display information to be updated.

[0085] Please refer to Figure 11 , another embodiment of the present application further provides a refreshing method for the electronic paper device 10.

[0086] The method includes:

[0087] S100, inputting or modifying the information to be displayed;

[0088] S200, the electronic paper display screen 120 displays a preview of the information to be displayed;

[0089] S300, Determine whether to replace the display template;

[0090] S400, If the display template is to be replaced, update the display template previewed on the electronic paper display screen 120;

[0091] S500, Detect whether the connection between the electronic paper refreshing device and the electronic paper device 10 is normal;

[0092] S600, If the connection between the electronic paper refreshing device and the electronic paper device 10 is normal, send display information to the electronic paper display screen 120 through the second conductive contact 230, the first conductive contact 130, and the first system bus 140 to update the display information.

[0093] In one embodiment, the refreshing method further includes:

[0094] S501, If the connection between the electronic paper refreshing device and the electronic paper device 10 is abnormal, continue with the step of inputting or modifying the information to be displayed.

[0095] In one embodiment, the refreshing method further includes:

[0096] S301, If there is no need to replace the display template, execute the step of detecting whether the connection between the electronic paper refreshing device and the electronic paper device 10 is normal.

[0097] An embodiment of the present application further provides a computer device, including a memory and a processor, where the memory stores a computer program, and when the processor executes the computer program, the following steps are implemented:

[0098] S10, Determine whether the first conductive contact 130 and the first system bus 140 receive power;

[0099] S20, If the first conductive contact 130 and the first system bus 140 receive the power, determine whether there is display information to be updated;

[0100] S30, If there is display information to be updated, update the display information on the electronic paper display screen 120.

[0101] In one embodiment, when the processor executes the computer program, the following steps are implemented

[0102] S21, If there is no display information to be updated, continue with the step of determining whether there is display information to be updated.

[0103] In one embodiment, when the processor executes the computer program, the following steps are implemented:

[0104] S22, If the first conductive contact 130 and the first system bus 140 do not receive the power supply power, continue to execute S10 to determine whether the first conductive contact 130 and the first system bus 140 receive the power supply power.

[0105] In one embodiment, when the processor executes the computer program, the following steps are implemented:

[0106] S31, After the electronic paper display screen 120 updates the display information, continue to execute the step of determining whether there is display information to be updated.

[0107] A computer-readable storage medium, on which a computer program is stored, and when the computer program is executed by a processor, the following steps are implemented:

[0108] S10, Determine whether the first conductive contact 130 and the first system bus 140 receive the power supply power;

[0109] S20, If the first conductive contact 130 and the first system bus 140 receive the power supply power, determine whether there is display information to be updated;

[0110] S30, If there is display information to be updated, update the display information on the electronic paper display screen 120.

[0111] In one embodiment, when the computer program is executed by a processor, the following steps are implemented

[0112] S21, If there is no display information to be updated, continue to execute the step of determining whether there is display information to be updated.

[0113] In one embodiment, when the computer program is executed by a processor, the following steps are implemented

[0114] S22, If the first conductive contact 130 and the first system bus 140 do not receive the power supply power, continue to execute S10 to determine whether the first conductive contact 130 and the first system bus 140 receive the power supply power.

[0115] In one embodiment, when the computer program is executed by a processor, the following steps are implemented

[0116] S31, After the electronic paper display screen 120 updates the display information, continue to execute the step of determining whether there is display information to be updated.

[0117] An embodiment of the present application further provides a computer device, including a memory and a processor, the memory stores a computer program, and when the processor executes the computer program, the following steps are implemented:

[0118] S100, Input or modify the information to be displayed;

[0119] S200, The electronic paper display screen 120 previews and displays the information to be displayed;

[0120] S300, Determine whether to replace the display template;

[0121] S400, If the display template is replaced, update the display template previewed on the electronic paper display screen 120;

[0122] S500, Detect whether the connection between the electronic paper refreshing device and the electronic paper device 10 is normal;

[0123] S600, If the connection between the electronic paper refreshing device and the electronic paper device 10 is normal, send the display information to the electronic paper display screen 120 through the second conductive contact 230, the first conductive contact 130, and the first system bus 140 to update the display information.

[0124] In one embodiment, when the processor executes the computer program, the following steps are implemented:

[0125] S501, If the connection between the electronic paper refreshing device and the electronic paper device 10 is abnormal, continue with the step of inputting or modifying the information to be displayed.

[0126] In one embodiment, when the processor executes the computer program, the following steps are implemented:

[0127] S301, If there is no need to replace the display template, execute the step of detecting whether the connection between the electronic paper refreshing device and the electronic paper device 10 is normal.

[0128] A computer-readable storage medium, on which a computer program is stored, and when the computer program is executed by a processor, the following steps are implemented:

[0129] S100, Input or modify the information to be displayed;

[0130] S200, The electronic paper display screen 120 previews and displays the information to be displayed;

[0131] S300, Determine whether to replace the display template;

[0132] S400, If the display template is replaced, update the display template previewed on the electronic paper display screen 120;

[0133] S500, Detect whether the connection between the electronic paper refreshing device and the electronic paper device 10 is normal;

[0134] S600. If the connection between the electronic paper refreshing device and the electronic paper device 10 is normal, display information is sent to the electronic paper display screen 120 through the second conductive contact 230, the first conductive contact 130, and the first system bus 140 to update the display information.

[0135] Those of ordinary skill in the art can understand that the programs and terminals and other modules in the above embodiments can be implemented by instructing relevant hardware through a computer program. The computer program can be stored in a non-volatile computer-readable storage medium. When the computer program is executed, it can include the processes of the embodiments of the above methods. Among them, any reference to a memory, storage, database, or other medium used in the embodiments provided in the present application can include at least one of non-volatile and volatile memories. Non-volatile memory can include read-only memory (ROM), magnetic tape, floppy disk, flash memory, or optical memory, etc. Volatile memory can include random access memory (RAM) or external cache memory. By way of illustration and not limitation, RAM can be in various forms, such as static random access memory (SRAM) or dynamic random access memory (DRAM), etc.

[0136] The technical features of the above embodiments can be combined arbitrarily. For the sake of brevity of description, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, it should be considered as the scope described in this specification.

[0137] The above embodiments only represent several implementation manners of the present application. The description is relatively specific and detailed, but it should not be construed as a limitation on the scope of the invention patent. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present application, several modifications and improvements can still be made, and these all belong to the protection scope of the present application. Therefore, the protection scope of the patent of the present application should be subject to the appended claims.

Claims

1. An electronic paper device, characterized in that, Comprising: A first housing; An electronic paper display screen, disposed on the first housing; A first conductive contact, disposed on the first housing, for contact connection with an electronic paper refreshing device; A first system bus and a power management circuit, disposed within the first housing, the first system bus being connected to the first conductive contact, the electronic paper display screen, and the power management circuit, the power management circuit being connected to the electronic paper display screen, and the electronic paper refreshing device providing power and display information to the first system bus through the first conductive contact; The power management circuit is used to provide a refreshing voltage to the electronic paper display screen, and the first system bus is used to provide display information to the electronic paper display screen; The electronic paper refreshing device includes: A second housing; A second conductive contact, disposed on the second housing, for contact connection with the first conductive contact; A second system bus, connected to the second conductive contact, the second system bus being used to receive the display information and the power, and the second system bus is also used to send the power and the display information to the first system bus through the first conductive contact and the second conductive contact; The electronic paper device performs the following steps: Input or modify the information to be displayed; The electronic paper display screen previews and displays the information to be displayed; Determine whether to change the display template; If the display template is changed, update the display template previewed by the electronic paper display screen; Detect whether the connection between the electronic paper refreshing device and the electronic paper device is normal; If the connection between the electronic paper refreshing device and the electronic paper device is normal, send the display information to the electronic paper display screen through the second conductive contact, the first conductive contact, and the first system bus to update the display information.

2. The electronic paper device according to claim 1, wherein The second housing is further provided with a communication interface, and the communication interface is used to receive the display information provided by the terminal.

3. The electronic paper device according to claim 2, wherein The second housing is further provided with a DC power supply.

4. The electronic paper device according to claim 3, wherein It further includes an NFC coil or a Bluetooth module for non-contact transmission of the information to be displayed with the terminal.

5. A refreshing method for an electronic paper device, characterized in that, Applied to the electronic paper device according to claim 4, the method includes: Determine whether the first conductive contact and the first system bus receive power; If the first conductive contact and the first system bus receive the power, determine whether there is display information to be updated; If there is display information to be updated, update the display information on the electronic paper display screen.

6. The refreshing method of the electronic paper device according to claim 5, wherein If there is no display information to be updated, continue to determine whether there is display information to be updated.

7. A refreshing method for an electronic paper device, characterized in that, Applied to the electronic paper device according to claim 4, the method includes: Input or modify the information to be displayed; The electronic paper display screen previews and displays the information to be displayed; Determine whether to change the display template; If the display template is changed, update the display template previewed by the electronic paper display screen; Detect whether the connection between the electronic paper refreshing device and the electronic paper device is normal; If the connection between the electronic paper refreshing device and the electronic paper device is normal, send the display information to the electronic paper display screen through the second conductive contact, the first conductive contact, and the first system bus to update the display information.

8. The refreshing method according to claim 7, wherein If the connection between the electronic paper refreshing device and the electronic paper device is abnormal, continue with the steps of inputting or modifying the information to be displayed.

9. The refreshing method according to claim 8, characterized in that, If it is not necessary to replace the display template, perform the step of detecting whether the connection between the electronic paper refreshing device and the electronic paper device is normal.

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