Electronic paper printing method and device, terminal equipment and storage medium

Abstract

The invention discloses an electronic paper printing method and device, terminal equipment and a storage medium. The method is applied to a control module of the electronic paper printer, and the electronic paper printer further comprises a first roller and at least one row of multiple pixel printing points. The electronic paper printing method comprises the steps of controlling a first roller to drag electronic paper to move forwards according to a first speed; the electronic paper is positioned between the pixel printing points and the first roller; according to the content needing to be printed and the first speed, the trigger time point and the trigger voltage of each pixel printing point are determined; and when the current time reaches any triggering time point, triggering voltage corresponding to the current time is input to the corresponding pixel printing point, so that an electric field is formed between the triggered pixel printing point and the first roller, the charged particles in the corresponding pixel area in the electronic paper are controlled to move for imaging, and the printing operation of the whole piece of electronic paper is completed. According to the invention, the refreshing efficiency of the electronic paper can be improved, and the hardware cost required by the refreshing operation of the electronic paper can be reduced.

Description

Technical Field

[0001] The present application relates to the field of flexible electronic paper, and in particular to an electronic paper printing method, device, terminal equipment and storage medium. Background Art

[0002] Electronic paper (E-paper) is a display technology that can be written and displayed repeatedly, and is widely used in smart devices, electronic tags, e-books, etc. Compared with traditional LCD and OLED displays, electronic paper has the characteristics of low power consumption, high viewing angle, and no need for backlight, and is particularly suitable for occasions that need to display static images or text for a long time.

[0003] Existing electronic paper display readers are often expensive and require embedded integrated circuit (IC) components to cooperate with the display backplane to drive the electronic paper to refresh pixels. The embedded IC driver and display backplane are often precision electronic devices that cannot withstand large voltage inputs, resulting in a slow refresh speed of the pixels of the electronic paper in the electronic paper display reader. At the same time, an indium tin oxide (ITO) layer needs to be added to the electronic paper to control the electric field of the pixels in the electronic paper display, resulting in the overall electronic paper display reader cost being too high and also affecting the portable feature of the electronic paper.

[0004] Therefore, how to improve the efficiency of pixel refresh in electronic paper and reduce the cost required for electronic paper refresh is a technical problem that needs to be solved at present. Summary of the invention

[0005] The present application provides an electronic paper printing method, apparatus, terminal device and storage medium to solve the technical problem of how to improve the efficiency of pixel refresh in electronic paper while reducing the cost required for electronic paper refresh.

[0006] In order to solve the above technical problems, in a first aspect, an embodiment of the present application provides an electronic paper printing method, which is applied to a control module of an electronic paper printer, wherein the electronic paper printer further includes: a first roller and at least one row of a plurality of pixel printing points; the electronic paper printing method includes:

[0007] Controlling the first roller to drag the electronic paper forward at a first speed; the electronic paper is located between the pixel printing point and the first roller;

[0008] Determine the trigger time point and the trigger voltage of each pixel printing point according to the content to be printed and the first speed;

[0009] When the current time reaches any of the trigger time points, the trigger voltage corresponding to the current time is input to the corresponding pixel printing point, so that an electric field is formed between the triggered pixel printing point and the first roller, so as to control the motion imaging of the charged particles in the corresponding pixel area in the electronic paper, thereby completing the printing operation of the entire electronic paper.

[0010] Compared with the prior art, the embodiments of the present application have the following beneficial effects: through the electronic paper printer, a voltage is input to a row of pixel printing points so that an electric field is generated between the pixel printing points and the first roller, thereby refreshing the pixel points in the electronic paper. There is no need to add an ITO layer in each electronic paper to assist in generating the electric field, thereby reducing the hardware cost of the electronic paper product; at the same time, by accurately adjusting the speed of the first roller and the magnitude of the applied voltage, it is possible to refresh the entire electronic paper with only a row of pixel printing points, thereby reducing the hardware cost required for refreshing the pixel points of the electronic paper product; finally, since the refresh process of the electronic paper is separated, the influence of a large voltage applied during the refresh process on precision electronic devices is avoided, thereby effectively improving the refresh efficiency of the electronic paper.

[0011] In some embodiments of the first aspect of the present application, determining the trigger time point and the trigger voltage of each pixel printing point according to the content to be printed and the first speed includes:

[0012] Determine each of the triggering time points of the pixel printing point according to the first speed;

[0013] According to the content that needs to be printed by the pixel printing point when it reaches each of the trigger time points, determining the direction of the electric field that needs to be formed between the pixel printing point and the first roller when each of the trigger time points is reached;

[0014] Determine, according to the time interval between the two consecutive trigger time points, the strength of the electric field that needs to be formed between the pixel printing point and the first roller when the first of the two consecutive trigger time points is reached;

[0015] The trigger voltage that needs to be output when the pixel printing point reaches the corresponding trigger time point is determined according to the direction and strength of the electric field.

[0016] Compared with the prior art, the above embodiment has the following beneficial effects: in order to ensure that the first speed of the roller dragging the electronic paper is consistent with the refresh speed of the electronic paper, and at the same time ensure the accuracy of the electronic paper refresh, the input voltage needs to be adjusted to generate a suitable electric field. Therefore, the trigger time point for each row of pixels in the electronic paper to start refreshing is determined by the speed of the first roller dragging the electronic paper. Further, according to the content to be printed, the moving direction of the charged particles in the corresponding pixel area can be known, thereby determining the direction of the electric field to be applied. Finally, according to the time interval between two consecutive trigger time points, the minimum movement speed of the charged particles can be known, thereby determining the electric field strength. When the direction and strength of the electric field to be applied are known, the input trigger voltage can be determined, so that the accuracy of the electronic paper refresh can still be guaranteed when only one row of pixel print heads is used.

[0017] In some embodiments of the first aspect of the present application, determining the direction of the electric field that needs to be formed between the pixel printing point and the first roller when each of the trigger time points is reached according to the content that needs to be printed by the pixel printing point when the pixel printing point reaches each of the trigger time points includes:

[0018] According to the content that needs to be printed when the pixel printing point reaches the trigger time point, determining whether the first pixel area corresponding to the pixel printing point needs to display ink dots at this time;

[0019] If necessary, inputting a first trigger voltage to the pixel printing point to form a first electric field in the first pixel area;

[0020] If not necessary, a second trigger voltage is input to the pixel printing point to form a second electric field in the first pixel area; the first electric field and the second electric field are in opposite directions.

[0021] Compared with the prior art, the above embodiment has the following beneficial effects: there are usually two colors of charged particles in the electronic paper, and by applying an electric field in the corresponding direction, the charged particles of the same color will move in the corresponding direction at the same time, thereby displaying the content to be printed. Based on the above principle, the direction of the electric field that each pixel print head needs to generate for the corresponding pixel area at each trigger time point can be set in advance according to the content to be printed, so as to ensure the accuracy of the printed content obtained by subsequent refresh.

[0022] In some embodiments of the first aspect of the present application, determining, based on the time interval between the two consecutive trigger time points, the strength of the electric field that needs to be formed between the pixel printing point and the first roller when the first of the two consecutive trigger time points is reached, includes:

[0023] Determining a second speed of the charged particles between the pixel printing point and the first roller according to the time interval;

[0024] The intensity of the electric field required to be formed between the pixel printing point and the first roller is determined according to the second speed.

[0025] Compared with the prior art, the above embodiment has the following beneficial effects: after knowing the distance that the charged particles in the electronic paper need to move, the second speed of the charged particles when moving can be known according to the time interval. After further knowing the second speed, the magnitude of the electric field strength that needs to be applied can be known, thereby determining the magnitude of the trigger voltage that needs to be input subsequently, thereby improving the consistency between the refresh frequency of each row of pixel areas in the electronic paper and the first speed of the first roller dragging the electronic paper.

[0026] In some embodiments of the first aspect of the present application, each of the pixel printing dots is composed of an independent metal circuit, and each of the pixel printing dots is insulated from each other.

[0027] Compared with the prior art, the above embodiment has the following beneficial effects: each pixel printing point is composed of an independent metal circuit, and each pixel printing point is ensured to be insulated from each other, so as to prevent mutual influence between two adjacent pixel printing points when a large trigger voltage is input to the pixel printing point. Therefore, when the electronic paper is printed, a higher trigger voltage can be input, and the first speed of the first roller dragging the electronic paper can be increased, so as to improve the refresh efficiency of the electronic paper.

[0028] In some embodiments of the first aspect of the present application, the electronic paper is composed of a plurality of uniformly arranged electronic paper ink capsules wrapped by two layers of upper and lower polyimide films.

[0029] Compared with the prior art, the above embodiment has the following beneficial effects: an electric field is generated by the first roller and the pixel print head in an additional independent printer, so when the electronic paper is refreshed by the printer, there is no need to add an ITO layer to the electronic paper to assist in generating the electric field. Only a polyimide film for protection needs to be added to the upper and lower layers of the electronic paper ink capsule, which effectively reduces the hardware cost of the electronic paper itself and further improves the portability of the electronic paper itself.

[0030] In some embodiments of the first aspect of the present application, the electronic paper printer further includes a medium base plate, and the medium base plate is used to inlay the pixel printing dots and to support the electronic paper.

[0031] Compared with the prior art, the above embodiment has the following beneficial effects: since the pixel printing dots are composed of independent metal circuits, embedding the pixel printing dots into the medium base plate can prevent the wear of the pixel printing dots, thereby improving the durability of the pixel printing dots.

[0032] In a second aspect, an embodiment of the present application further provides an electronic paper printing device, which is applied to a control module of an electronic paper printer, wherein the electronic paper printer further comprises: a first roller and at least one row of a plurality of pixel printing points; the electronic paper printing device comprises: a roller control module, a voltage control module and a voltage output module;

[0033] Wherein, the first roller control module is used to control the first roller to drag the electronic paper forward at a first speed; the electronic paper is located between the pixel printing point and the first roller;

[0034] The voltage control module is used to determine the trigger time point and the trigger voltage of each pixel printing point according to the content to be printed and the first speed;

[0035] The voltage output module is used to input the trigger voltage corresponding to the current time to the corresponding pixel printing point when the current time reaches any of the trigger time points, so that an electric field is formed between the triggered pixel printing point and the first roller, so as to control the motion imaging of the charged particles in the corresponding pixel area in the electronic paper, and complete the printing operation of the entire electronic paper.

[0036] In a third aspect, the present application also provides a terminal device, including a processor, a memory, and a computer program stored in the memory and configured to be executed by the processor, wherein the processor implements the above-mentioned electronic paper printing method when executing the computer program.

[0037] In a fourth aspect, the present application further provides a computer-readable storage medium, wherein the computer-readable storage medium includes a stored computer program, wherein when the computer program is executed, the device where the computer-readable storage medium is located is controlled to execute the above-mentioned electronic paper printing method. BRIEF DESCRIPTION OF THE DRAWINGS

[0038] Figure 1 A schematic flow chart of an electronic paper printing method provided in some embodiments of the present application;

[0039] Figure 2 A schematic diagram of the structure of an electronic paper printer provided in some embodiments of the present application;

[0040] Figure 3 A schematic diagram of the structure of a print head of an electronic paper printer provided in some embodiments of the present application;

[0041] Figure 4 A schematic diagram of the structure of an electronic paper provided in some embodiments of the present application;

[0042] Figure 5This is a schematic diagram of the structure of an electronic paper printing device provided in some embodiments of the present application. DETAILED DESCRIPTION

[0043] Existing electronic paper display readers are often expensive and require an embedded IC driver to cooperate with a display backplane to drive the electronic paper to refresh pixels. The embedded IC driver and display backplane are often precision electronic devices that cannot withstand large voltage inputs, resulting in a slow refresh speed for the pixels of the electronic paper in the electronic paper display reader. At the same time, an ITO layer needs to be added to the electronic paper to control the electric field of the pixels in the electronic paper display, resulting in the overall electronic paper display reader cost being too high and also affecting the portable nature of the electronic paper.

[0044] In order to solve the above technical problems, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0045] Embodiment 1

[0046] Please refer to Figure 1 , an electronic paper printing method provided in an embodiment of the present application, is applied to a control module of an electronic paper printer, wherein the electronic paper printer also includes: a first roller and at least one row of a plurality of pixel printing points.

[0047] Preferably, reference Figure 2 In some embodiments of the present application, the transmission roller (i.e., the first roller) contacts the upper side of the electronic paper. When the transmission roller rotates at a certain speed, the electronic paper can be dragged or driven to move at the same speed through the contact point between the two. Therefore, the width of the first roller should be at least equal to the width of the first electronic paper.

[0048] Furthermore, in some embodiments of the present application, the electronic paper printer also includes a medium base plate, and the medium base plate is used to inlay the pixel printing points and to support the electronic paper.

[0049] Preferably, reference Figure 2 In some embodiments of the present application, the medium base plate is in contact with the lower side of the electronic paper, and a pixel-sized print head is embedded in the medium base plate.

[0050] Since the pixel printing dots are composed of independent metal lines, embedding the pixel printing dots into the media bottom plate can prevent the wear of the pixel printing dots, thereby improving the durability of the pixel printing dots.

[0051] Furthermore, in some embodiments of the present application, each of the pixel printing points is composed of an independent metal circuit, and each of the pixel printing points is insulated from each other.

[0052] Preferably, reference Figure 2 In some embodiments of the present application, the printer system control circuit (i.e., the control module of the electronic paper printer) is connected below the media base plate. The control circuit is electrically connected to the print head in the media base plate and is also electrically connected to the transmission roller. The control circuit is electrically connected to the print head in order to input a trigger voltage to the independent metal line corresponding to each pixel printing point; the control circuit is electrically connected to the transmission roller in order to provide a stable output voltage so that an electric field can be formed between the transmission roller and each pixel printing point.

[0053] Preferably, reference Figure 3 , is a schematic diagram of the structure of a print head of an electronic paper printer provided in some embodiments of the present application, corresponding to Figure 2 The print head in the electronic paper is composed of a plurality of pixel-sized parts, each pixel-sized part representing a pixel print dot. The width of the print head should be at least equal to the width of the electronic paper.

[0054] Each pixel printing point is formed by an independent metal circuit, and each pixel printing point is insulated from each other to prevent mutual influence between two adjacent pixel printing points when a large trigger voltage is input to the pixel printing point. Therefore, when the electronic paper is printed, a higher trigger voltage can be input to generate a stronger electric field to increase the first speed of the first roller dragging the electronic paper, thereby improving the refresh efficiency of the electronic paper.

[0055] Figure 1 The electronic paper printing method shown includes S10 to S30, specifically:

[0056] S10: Control the first roller to drag the electronic paper forward at a first speed; the electronic paper is located between the pixel printing point and the first roller.

[0057] Furthermore, in some embodiments of the present application, the electronic paper is composed of a plurality of uniformly arranged electronic paper ink capsules wrapped by two layers of upper and lower polyimide films.

[0058] Preferably, reference Figure 4 , is a schematic diagram of the structure of an electronic paper provided in some embodiments of the present application, in which the electronic paper ink capsules are wrapped in two layers of PI material and evenly distributed in the two layers of PI material. The PI material is mainly used to protect the ink capsules from being damaged during the printing operation.

[0059] The electric field is generated by the first roller and the pixel print head in an additional independent printer. Therefore, when the electronic paper is refreshed through the printer, there is no need to add an ITO layer to the electronic paper to assist in generating the electric field. It is only necessary to add a polyimide film for protection to the upper and lower layers of the electronic paper ink capsule, which effectively reduces the hardware cost of the electronic paper itself and further improves the portability of the electronic paper itself.

[0060] S20: Determine a trigger time point and a trigger voltage of each pixel printing point according to the content to be printed and the first speed.

[0061] Preferably, in some embodiments of the present application, when the width of the electronic paper is smaller than the width of the print head, at least the pixel printing points in the print head that are in contact with the electronic paper should be confirmed to determine the pixel printing points for which the trigger time point and the trigger voltage need to be calculated.

[0062] Further, in some embodiments of the present application, determining the trigger time point and the trigger voltage of each pixel printing point according to the content to be printed and the first speed includes:

[0063] Determine each of the triggering time points of the pixel printing point according to the first speed;

[0064] According to the content that needs to be printed by the pixel printing point when it reaches each of the trigger time points, determining the direction of the electric field that needs to be formed between the pixel printing point and the first roller when each of the trigger time points is reached;

[0065] Determine, according to the time interval between the two consecutive trigger time points, the strength of the electric field that needs to be formed between the pixel printing point and the first roller when the first of the two consecutive trigger time points is reached;

[0066] The trigger voltage that needs to be output when the pixel printing point reaches the corresponding trigger time point is determined according to the direction and strength of the electric field.

[0067] In order to ensure that the first speed of the roller dragging the electronic paper is consistent with the refresh speed of the electronic paper, and to ensure the accuracy of the electronic paper refresh, the input voltage needs to be adjusted to generate a suitable electric field. Therefore, the trigger time point for each row of pixels in the electronic paper to start refreshing is determined by the speed of the first roller dragging the electronic paper. Further, according to the content that needs to be printed, the direction of movement of the charged particles in the corresponding pixel area can be known, thereby determining the direction of the electric field that needs to be applied. Finally, according to the time interval between two consecutive trigger time points, the minimum movement speed of the charged particles can be known, thereby determining the electric field strength. When the direction and strength of the electric field that need to be applied are known, the input trigger voltage can be determined, so that the accuracy of the electronic paper refresh can still be guaranteed when only one row of pixel print heads is used.

[0068] Preferably, in some embodiments of the present application, when determining the strength of the electric field to be formed, it is also necessary to determine the strength of the electric field to be formed based on the content currently being printed. For example, when there are only two types of charged particles in the ink capsule in the electronic paper, the spatial position of charged particles of different colors in the ink capsule is changed by changing the strength and duration of the applied electric field, thereby adjusting the color depth of the pixel area. For example, by applying a sufficiently strong and long enough electric field, the black charged particles in the ink capsule are completely moved to the display side of the ink capsule, which will make the corresponding pixel area completely black; by applying a weaker and shorter electric field, the black charged particles are only located in a spatial position closer to the display side of the ink capsule, and the pixel area can be made gray. When there are more types of charged particles in the ink capsule of the electronic paper, charged particles of different colors have different driving voltage values ​​and movement speeds. For example, in the black, white and red three-color electronic paper, the black and red charged particles are positively charged, while the white charged particles are negatively charged. The black and white particles are driven by a voltage value of ±15V, and the red particles are driven by a voltage value of ±5V. The red particles move slower. Therefore, multiple trigger voltages can be input in sequence in a certain order between two trigger time points to adjust the spatial positions of particles of different colors in the ink capsule, thereby controlling the color of the pixel area.

[0069] Further, in some embodiments of the present application, determining the direction of the electric field to be formed between the pixel printing point and the first roller when each trigger time point is reached according to the content to be printed by the pixel printing point when the pixel printing point reaches each trigger time point includes:

[0070] According to the content that needs to be printed when the pixel printing point reaches the trigger time point, determining whether the first pixel area corresponding to the pixel printing point needs to display ink dots at this time;

[0071] If necessary, inputting a first trigger voltage to the pixel printing point to form a first electric field in the first pixel area;

[0072] If not necessary, a second trigger voltage is input to the pixel printing point to form a second electric field in the first pixel area; the first electric field and the second electric field are in opposite directions.

[0073] There are usually two colors of charged particles in electronic paper. By applying an electric field in the corresponding direction, the charged particles of the same color will move in the corresponding direction at the same time, thereby displaying the content to be printed. Based on the above principle, the direction of the electric field that each pixel print head needs to generate for the corresponding pixel area at each trigger time point can be set in advance according to the content to be printed, ensuring the accuracy of the printed content obtained by subsequent refresh.

[0074] Preferably, in some embodiments of the present application, when the ink capsules in the electronic paper contain only two kinds of charged particles, black and white, the black particles are positively charged and the white particles are negatively charged. The printing process is that after the printer transfers the paper to the roller and the print head position, the print head outputs a trigger voltage, for example, a voltage difference of +100V is formed between the pixel printing point and the first roller, and the corresponding pixel area is refreshed to black, and a voltage difference of -100V is formed between the corresponding pixel area and refreshed to white. The trigger voltage output by the print head is matched with the transmission speed of the first roller, that is, after printing a line, the roller transmission is refreshed to the next line. Similarly, when the ink capsules in the electronic paper contain charged particles of multiple colors, according to the colors to be displayed, the voltage difference formed between the pixel printing point and the first roller is sequentially changed, that is, multiple electric fields need to be generated sequentially within a time interval.

[0075] Further, in some embodiments of the present application, determining, based on the time interval between the two consecutive trigger time points, the strength of the electric field that needs to be formed between the pixel printing point and the first roller when the first of the two consecutive trigger time points is reached, includes:

[0076] Determining a second speed of the charged particles between the pixel printing point and the first roller according to the time interval;

[0077] The intensity of the electric field required to be formed between the pixel printing point and the first roller is determined according to the second speed.

[0078] After knowing the distance that the charged particles in the electronic paper need to move, the second speed of the charged particles when moving can be known according to the time interval. After further knowing the second speed, the magnitude of the electric field strength that needs to be applied can be known, thereby determining the magnitude of the trigger voltage that needs to be input subsequently, thereby improving the consistency between the refresh frequency of each row of pixel areas in the electronic paper and the first speed of the first roller dragging the electronic paper.

[0079] Preferably, in some embodiments of the present application, the electric field strength affects not only the refresh speed, but also the accuracy of the printed content. For example, in the refresh process of black, white and red electronic paper, in order to accurately adjust the color display of the pixel area, it is necessary to determine the electric field strength to be applied according to the content to be printed, otherwise it will cause particles that should not be displaced to be displaced or particles that should be displaced not to be displaced, resulting in errors in the color display of the pixel area. Therefore, it is also necessary to determine the strength of the electric field according to the content to be printed. Due to the different characteristics of charged particles in different types of electronic paper, this application does not specifically limit the method of adjusting the electric field strength according to the printed content.

[0080] S30: When the current time reaches any of the trigger time points, the trigger voltage corresponding to the current time is input to the corresponding pixel printing point, so that an electric field is formed between the triggered pixel printing point and the first roller, so as to control the motion imaging of the charged particles in the corresponding pixel area in the electronic paper, and complete the printing operation of the entire electronic paper.

[0081] Preferably, in some embodiments of the present application, the refresh speed of the electronic paper can be determined first, and the first speed of the first roller dragging the electronic paper and the trigger time point and trigger voltage of each pixel printing point can be further determined based on the refresh, and it is only necessary to reversely deduce step S20 in the embodiment of the present application.

[0082] In summary, an electronic paper printing method provided in an embodiment of the present application has the following beneficial effects: through the electronic paper printer, a voltage is input to a row of pixel printing points so that an electric field is generated between the pixel printing points and the first roller, thereby refreshing the pixel points in the electronic paper, and there is no need to add an ITO layer in each electronic paper to assist in generating the electric field, thereby reducing the hardware cost of the electronic paper product; at the same time, by precisely adjusting the speed of the first roller and the magnitude of the applied voltage, it is possible to refresh the entire electronic paper with only a row of pixel printing points, thereby reducing the hardware cost required for refreshing the pixel points of the electronic paper product; finally, since the refresh process of the electronic paper is separated, the influence of a large voltage applied during the refresh process on precision electronic devices is avoided, thereby effectively improving the refresh efficiency of the electronic paper.

[0083] Embodiment 2

[0084] refer to Figure 5 , is an electronic paper printing device provided in an embodiment of the present application, applied to the control module of an electronic paper printer, wherein the electronic paper printer also includes: a first roller and at least one row of a plurality of pixel printing points; the electronic paper printing device includes: a roller control module 11, a voltage control module 12 and a voltage output module 13.

[0085] Furthermore, in some embodiments of the present application, the first roller control module 11 is used to control the first roller to drag the electronic paper forward at a first speed; the electronic paper is located between the pixel printing point and the first roller; the voltage control module 12 is used to determine the trigger time point and the trigger voltage of each pixel printing point according to the content to be printed and the first speed; the voltage output module 13 is used to input the trigger voltage corresponding to the current time to the corresponding pixel printing point when the current time reaches any of the trigger time points, so that an electric field is formed between the triggered pixel printing point and the first roller, so as to control the motion imaging of the charged particles in the corresponding pixel area in the electronic paper, and complete the printing operation of the entire electronic paper.

[0086] Further, in some embodiments of the present application, the trigger time point and the trigger voltage of each pixel printing point are determined according to the content to be printed and the first speed, including: determining each trigger time point of the pixel printing point according to the first speed; determining the direction of the electric field to be formed between the pixel printing point and the first roller when each trigger time point is arrived at according to the content to be printed when the pixel printing point reaches each trigger time point; determining the strength of the electric field to be formed between the pixel printing point and the first roller when the first of the two consecutive trigger time points is arrived at according to the time interval between two consecutive trigger time points; and determining the trigger voltage to be output by the pixel printing point when it reaches the corresponding trigger time point according to the direction and strength of the electric field.

[0087] Further, in some embodiments of the present application, the direction of the electric field that needs to be formed between the pixel printing point and the first roller when each trigger time point is arrived is determined according to the content that needs to be printed when the pixel printing point arrives at each trigger time point, including: judging whether the first pixel area corresponding to the pixel printing point needs to display ink dots at this time according to the content that needs to be printed when the pixel printing point arrives at the trigger time point; if necessary, inputting a first trigger voltage to the pixel printing point to form a first electric field in the first pixel area; if not, inputting a second trigger voltage to the pixel printing point to form a second electric field in the first pixel area; the directions of the first electric field and the second electric field are opposite.

[0088] Furthermore, in some embodiments of the present application, the intensity of the electric field that needs to be formed between the pixel printing point and the first roller when the first trigger time point of the two consecutive trigger time points is reached is determined based on the time interval between the two consecutive trigger time points, including: determining the second speed of the charged particles between the pixel printing point and the first roller based on the time interval; determining the intensity of the electric field that needs to be formed between the pixel printing point and the first roller based on the second speed.

[0089] Furthermore, in some embodiments of the present application, each of the pixel printing points is composed of an independent metal circuit, and each of the pixel printing points is insulated from each other.

[0090] Furthermore, in some embodiments of the present application, the electronic paper is composed of a plurality of uniformly arranged electronic paper ink capsules wrapped by two layers of upper and lower polyimide films.

[0091] Furthermore, in some embodiments of the present application, the electronic paper printer also includes a medium base plate, and the medium base plate is used to inlay the pixel printing points and to support the electronic paper.

[0092] It can be understood that the above-mentioned device embodiment corresponds to the method embodiment of the present invention. An electronic paper printing device provided by the embodiment of the present invention can implement any method embodiment of the present invention, that is, the electronic paper printing method provided in embodiment one.

[0093] In summary, an electronic paper printing device provided by an embodiment of the present application has the following beneficial effects: through the electronic paper printer, a voltage is input to a row of pixel printing points so that an electric field is generated between the pixel printing points and the first roller, thereby refreshing the pixel points in the electronic paper, and there is no need to add an ITO layer to each electronic paper to assist in generating the electric field, thereby reducing the hardware cost of the electronic paper product; at the same time, by precisely adjusting the speed of the first roller and the magnitude of the applied voltage, it is possible to refresh the entire electronic paper with only a row of pixel printing points, thereby reducing the hardware cost required for refreshing the pixel points of the electronic paper product; finally, since the refresh process of the electronic paper is independent, the influence of a large voltage applied during the refresh process on precision electronic devices is avoided, thereby effectively improving the refresh efficiency of the electronic paper.

[0094] Embodiment 3

[0095] Based on the above-mentioned embodiment of the electronic paper printing method, another embodiment of the present application provides an electronic paper printing terminal device, which includes a processor, a memory, and a computer program stored in the memory and configured to be executed by the processor. When the processor executes the computer program, the electronic paper printing method of any embodiment of the present application is implemented.

[0096] Exemplarily, in this embodiment, the computer program may be divided into one or more modules, which are stored in the memory and executed by the processor to complete the present application. The one or more modules may be a series of computer program instruction segments capable of completing specific functions, which are used to describe the execution process of the computer program in the electronic paper printing device.

[0097] The electronic paper printing device may be a computing device such as a desktop computer, a notebook, a PDA, a cloud server, etc. The electronic paper printing terminal device may include, but is not limited to, a processor and a memory.

[0098] The processor may be a central processing unit (CPU), or other general-purpose processors, digital signal processors (DSP), application-specific integrated circuits (ASIC), field-programmable gate arrays (FPGA) or other programmable logic devices, discrete gates or transistor logic devices, discrete hardware components, etc. The general-purpose processor may be a microprocessor or the processor may be any conventional processor, etc. The processor is the control center of the electronic paper printing device, and uses various interfaces and lines to connect the various parts of the entire electronic paper printing device. The memory may be used to store the computer program and / or module, and the processor implements various functions of the electronic paper printing device by running or executing the computer program and / or module stored in the memory, and calling the data stored in the memory. The memory may mainly include a program storage area and a data storage area, wherein the program storage area may store an operating system, an application required for at least one function, etc.; the data storage area may store data created according to the use of the mobile phone, etc. In addition, the memory may include high-speed random access memory and may also include non-volatile memory, such as a hard disk, a memory, a plug-in hard disk, a smart media card (SMC), a secure digital (SD) card, a flash card (Flash Card), at least one disk storage device, a flash memory device, or other volatile solid-state storage devices.

[0099] Embodiment 4

[0100] Based on the above-mentioned embodiment of the electronic paper printing method, another embodiment of the present application provides a storage medium, wherein the storage medium includes a stored computer program, wherein when the computer program is running, the device where the storage medium is located is controlled to execute the electronic paper printing method of any embodiment of the present application.

[0101] In this embodiment, the storage medium is a computer-readable storage medium, and the computer program includes computer program code, which may be in source code form, object code form, executable file or some intermediate form, etc. The computer-readable medium may include: any entity or device capable of carrying the computer program code, recording medium, USB flash drive, mobile hard disk, magnetic disk, optical disk, computer memory, read-only memory (ROM), random access memory (RAM), electric carrier signal, telecommunication signal and software distribution medium, etc. It should be noted that the content contained in the computer-readable medium may be appropriately increased or decreased according to the requirements of legislation and patent practice in the jurisdiction. For example, in some jurisdictions, according to legislation and patent practice, computer-readable media do not include electric carrier signals and telecommunication signals.

[0102] The specific embodiments described above further describe the purpose, technical solutions and beneficial effects of the present application in detail. It should be understood that the above description is only a specific embodiment of the present application and is not intended to limit the scope of protection of the present application. It is particularly pointed out that for those skilled in the art, any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of protection of the present application.

Claims

1. An electronic paper printing method, characterized in that: A control module applied to an electronic paper printer, wherein the electronic paper printer further comprises: a first roller and at least one row of a plurality of pixel printing points; and the electronic paper printing method comprises: Controlling the first roller to drag the electronic paper forward at a first speed; the electronic paper is located between the pixel printing point and the first roller; Determine the trigger time point and the trigger voltage of each pixel printing point according to the content to be printed and the first speed; When the current time reaches any of the trigger time points, the trigger voltage corresponding to the current time is input to the corresponding pixel printing point, so that an electric field is formed between the triggered pixel printing point and the first roller, so as to control the motion imaging of the charged particles in the corresponding pixel area in the electronic paper, thereby completing the printing operation of the entire electronic paper.

2. The electronic paper printing method according to claim 1, characterized in that: Determining the trigger time point and the trigger voltage of each pixel printing point according to the content to be printed and the first speed includes: Determine each of the triggering time points of the pixel printing point according to the first speed; According to the content that needs to be printed by the pixel printing point when it reaches each of the trigger time points, determining the direction of the electric field that needs to be formed between the pixel printing point and the first roller when each of the trigger time points is reached; Determine, according to the time interval between the two consecutive trigger time points, the strength of the electric field that needs to be formed between the pixel printing point and the first roller when the first of the two consecutive trigger time points is reached; The trigger voltage that needs to be output when the pixel printing point reaches the corresponding trigger time point is determined according to the direction and strength of the electric field.

3. An electronic paper printing method as claimed in claim 2, characterized in that: The determining, according to the content that needs to be printed by the pixel printing point when reaching each of the trigger time points, the direction of the electric field that needs to be formed between the pixel printing point and the first roller when each of the trigger time points is reached, includes: According to the content that needs to be printed when the pixel printing point reaches the trigger time point, determining whether the first pixel area corresponding to the pixel printing point needs to display ink dots at this time; If necessary, inputting a first trigger voltage to the pixel printing point to form a first electric field in the first pixel area; If not necessary, a second trigger voltage is input to the pixel printing point to form a second electric field in the first pixel area; the first electric field and the second electric field are in opposite directions.

4. The electronic paper printing method according to claim 2, characterized in that: The determining, based on the time interval between the two consecutive trigger time points, the strength of the electric field that needs to be formed between the pixel printing point and the first roller when the first of the two consecutive trigger time points is reached, comprises: Determining a second speed of the charged particles between the pixel printing point and the first roller according to the time interval; The intensity of the electric field required to be formed between the pixel printing point and the first roller is determined according to the second speed.

5. The electronic paper printing method according to claim 1, characterized in that: Each of the pixel printing points is composed of an independent metal circuit, and each of the pixel printing points is insulated from each other.

6. The electronic paper printing method according to claim 1, characterized in that: The electronic paper is composed of a plurality of uniformly arranged electronic paper ink capsules wrapped by two layers of polyimide films, upper and lower.

7. The electronic paper printing method according to claim 1, characterized in that: The electronic paper printer further comprises a medium base plate, and the medium base plate is used for inlaying the pixel printing points and for supporting the electronic paper.

8. An electronic paper printing device, characterized in that: A control module applied to an electronic paper printer, wherein the electronic paper printer further comprises: a first roller and at least one row of a plurality of pixel printing points; the electronic paper printing device comprises: a roller control module, a voltage control module and a voltage output module; Wherein, the first roller control module is used to control the first roller to drag the electronic paper forward at a first speed; the electronic paper is located between the pixel printing point and the first roller; The voltage control module is used to determine the trigger time point and the trigger voltage of each pixel printing point according to the content to be printed and the first speed; The voltage output module is used to input the trigger voltage corresponding to the current time to the corresponding pixel printing point when the current time reaches any of the trigger time points, so that an electric field is formed between the triggered pixel printing point and the first roller, so as to control the motion imaging of the charged particles in the corresponding pixel area in the electronic paper, and complete the printing operation of the entire electronic paper.

9. A terminal device, characterized in that: The electronic paper printing method comprises a processor, a memory, and a computer program stored in the memory and configured to be executed by the processor, wherein when the processor executes the computer program, an electronic paper printing method as claimed in any one of claims 1 to 7 is implemented.

10. A computer-readable storage medium, characterized in that: The computer-readable storage medium includes a stored computer program, wherein when the computer program is executed, the device where the computer-readable storage medium is located is controlled to execute an electronic paper printing method as claimed in any one of claims 1 to 7.

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