TWI311953B - Three dimensional driving circuit and three dimensional matrix driving circuit for nozzle of printhead - Google Patents

Description

I3U953 IX. Description of the Invention: [Technical Field] The present invention relates to an ink jet driving circuit, and more particularly to a three-dimensional ink jet driving circuit suitable for heating a wafer of an ink jet head. [Prior Art] In recent years, with the popularity of personal computers and the rapid development of the Internet, ink jet printers have become very popular peripheral devices, widely used in homes, personal studios, and even All walks of life. The main advantages of inkjet printers are low cost, low noise during operation and excellent print quality, and can be printed on a variety of media, such as general paper, special inkjet printing paper, photo paper and special slides. As we all know, there are many factors that affect the printing quality of inkjet printers, such as the composition of ink, the choice of paper and the way of ink supply. However, inkjet is not suitable for any inkjet printer. The lack of components, and the quality of ink cartridges is more critical to the printing quality of inkjet printers. In pursuit of more perfect quality, relevant developers have invested a lot of time and effort in the design of ink storage and ink supply. In order to meet the requirements of simple structure, low production cost, high ink storage capacity and high printing quality. The inkjet printing technology has been developed so far, and the manner in which the printhead discharges ink droplets to the inkjet medium can be roughly classified into two types: a micro piezo-electric type and a thermal bubble type. . Taking a thermal bubble type inkjet head as an example, the operation principle is that a part of the ink is bubbled by heating with an ink firing resistor, and then the ink is pushed out through a plurality of ink jet holes (nozzle) to the inkjet medium. on. μMan read the first picture, which is the conventional heating - "atw, I rf soil is flat and smart ^; schematic diagram of the inkjet drive circuit operated by the thermal resistor, as shown in the figure, including: heating resistor (ink flring resist〇r) n, drive transistor (Dr i ver MOS) 12 and two input terminals A (Address), p (p〇wer, and a common terminal (c〇M), where heating One end of the resistor i2 is connected to the Drain of the p-drive transistor 12, the other end is connected to the terminal of the turn-in terminal, and the input terminal A is connected to the source terminal of the drive transistor, respectively. And closed extremes ((4)), (4) joints = connected to the ground (Gr_d), when printed Li, (not shown) to perform the inkjet action, will be by the wheel = system:

The enable signal (Enable Slgnal), the drive motor U guide, the driver (0) (Driver M0S) 12 into the terminal P will transmit a column of printed voltage, so - to, add ... power. . The temperature of 12 is raised, and the ink is heated to spray the ink onto the ink jet print medium. Raw milk and then in order to speed up the printing speed, generally will choose a plurality of inkjet holes arranged, please refer to the second figure, the number, and control the operation of a plurality of heating resistors in the film,,,,, Bai Zhi heating The crystal image, as shown in the figure, sprays #贝' soil, drives the array circuit to indicate 'and is controlled by the contact and the printer'. = = inkjet 妾, and the printer control system (not shown ^ (not shown), using the wheel-in terminals A1 to A4 to select the ink-jet hole Q to be ink-jetted with 1311953 and p-P8, the number of joints of the ink-jet head is two::=the number of ink holes is increased. Poor contact contact, #0 1AJ 0 This valley is easy to produce inkjet quality. The sinfulness of the contact is reduced, which in turn affects the printing port σ mouth Q this material exhibition can improve (4) spray The ink drive circuit is actually a problem that needs to be solved for the application of τ. The main purpose of the present invention is to provide a heating chip body circuit and an inkjet drive matrix circuit; , the number does not increase the number of contacts of the inkjet head == inkjet porosity increases, relative The printing quality is increased, and at the same time, the speed = the reliability of the speed = the purpose of the above-mentioned purpose, the broader aspect of the present invention is to provide a type of inkjet driving circuit, which is suitable for the heating chip of the inkjet head. Brother: group address control line, second group address control line, power line and two = (four) line (four) the three-dimensional inkjet drive (four) way, so that some of the ink is heated to generate bubbles, and then push the ink out of the heating chip The inkjet hole, wherein the first group of address control lines is composed of a plurality of address control lines, and the second group of address control lines includes at least one address control line, and the three-dimensional inkjet driving circuit comprises: heating a selection circuit and a pull-down circuit, wherein the heater is controlled by the heater control terminal to control whether the heater is heated; 'selecting the power system and one of the first group address control lines, the address control line, the second group At least a portion of the address control lines of the address control lines, the printed data lines, and the heater control terminal connections, using the first set of address control lines for the portion of the address control 13 U 95 3 " group (four) lion control The address (four) of this part is Print 1:; Di Na, control the voltage of the heater control end point, control the heater operation by the heating benefit control end point; and pull-down circuit, force: heat exchanger control end point, first group address control line The other part; the address control line and the common terminal, control the pull-down circuit to be controlled by the heater by the other part of the second-group address control line, the control system A conduction loop is formed between the point and the 接 terminal, so that the heater controls the female and the electric power is invited to be discharged through the pull-down circuit. One is to achieve the purpose of the ι4 purpose, and the generalized embodiment provides a three-dimensional Inkjet driving matrix circuit, which is suitable for an orbital wafer of an inkjet head, and is compatible with a first group address control line, a second group address control line, a group of power lines, a group of printed data lines, and The terminals are connected to add a portion of the ink to create a bubble' which in turn pushes the ink out of the plurality of ink ejection orifices of the heating wafer. The three-dimensional inkjet driving matrix circuit is composed of a plurality of arrays: each array is composed of a plurality of three-dimensional inkjet driving circuits, and each array is connected to one of the power lines of the set of power lines, first a set of address control lines, at least one address control line of the second set of address control lines, the set of printed data lines, and a common end point, and each array has a plurality of rows and a plurality of columns, each row being connected The group prints one of the data lines to print the data line. ^ According to the concept of the present case, each three-dimensional inkjet driving circuit is composed of a heater, a selection circuit and a pull-down circuit, and is connected to a part of the address control line of the first group address control line, and the second group address control At least a portion of the address control line of the line, one of the power lines of the set of power lines, one of the printed data lines of the 1311953 group of printed data lines, and a common end point for heating a portion of the ink to generate air bubbles, thereby injecting ink Push out a corresponding inkjet hole. According to the concept of the present invention, the heater of each three-dimensional inkjet driving circuit is connected to one of the power lines of the set of power lines and the common terminal, and has a heater control end point, and the heater controls the end point. Controls whether the heater is heated. Selecting a circuit system and a portion of the address control line of the first group of address control lines connected to the three-dimensional inkjet driving circuit, at least a portion of the address control lines of the second group of address control lines, the printed data line, and heating The controller controls the terminal connection, controls the voltage of the heater control terminal by using the address control line connected to the selection circuit and the control signal of the printed data line, and controls the heater operation by the heater control terminal. The pull-down circuit is connected to the heater control end point, another part of the address control line of the first group of address control lines connected to the three-dimensional inkjet driving circuit, and a common end point, and is connected to the pull-down circuit The control signal of the address control line controls whether the pull-down circuit forms a conduction loop between the heater control terminal and the common terminal, so that the voltage of the heater control terminal is discharged through the pull-down circuit. [Embodiment] Some exemplary embodiments embodying the features and advantages of the present invention will be described in detail in the following description. It is to be understood that the present invention is capable of various modifications in the various aspects of the present invention, and the description and illustration are in the nature of In general, the heating wafer disposed inside the ink jet head structure has a plurality of ink jet holes of 10 1311953, and the plurality of ink jet holes are arranged on the heating wafer - each of the ink jet holes has an ink jet driving circuit to control the Whether the inkjet hole is black. Since the ink jet head has a plurality of ink jet holes to be controlled, it is necessary to have a plurality of ink jet driving circuits on the twin crystal, in order to reduce the number of ink jet heads, that is, the number of ink jet holes controlled is larger than that of the ink jet heads. The number of contacts in the head, 2 proposed: a three-dimensional inkjet drive circuit, and each of the three-dimensional and stone collisions " has a printed data line to the three-dimensional inkjet of the bank (Bank) The drive matrix circuit is clear, but not limited to this. Μ Μ ― ― ― ― ― ― ― ― ― ― ― ― ― ― ― ― ― ― ― ― ― ― ― ― ― ― ― ― ― ― ― ― ― ― ― ― ― ― ― ― 较佳 较佳 较佳 较佳 较佳 较佳 较佳 较佳 较佳 较佳 较佳Five arrays, such as Bank5, each of which is composed of a plurality of three-dimensional inkjet driving devices. The control is transmitted by the watch control system (not shown). The signal is respectively selected from a plurality of three-dimensional inkjet driving circuits 4 to be actuated, and the heating circuit is triggered by the dimension circuit 4 to perform the inkjet column. The three-dimensional inkjet driving matrix circuit of the present invention further includes, for example, A rented m address (four) line (β1 ~ β5), - group power supply 5 = Γ1 Ην - Bank5) ' - group print data line (PS Bu PS11) and - common end point (10) (not shown), directly In the printer control system (not shown), the terminal (10), the ground of the m source can be connected, and each three-dimensional ink driving circuit 11

1311953 4 will connect to the common endpoint COM. In addition, the first group address control lines (A1 to A5) include, for example, a first address control line A1 of the first group address control line, a second address control line A2 of the first group address control line, and a first The third address control line A3 of the group address control line, the fourth address control line A4 of the first group address control line, and the fifth address control line A5 of the first group address control line. The second group of address control lines (B1 B B5) includes, for example, a first address control line B1 of the second group address control line, a second address control line B2 of the second group address control line, and a second group of bits. The third address control line B3 of the address control line, the fourth address control line B4 of the second group address control line, and the fifth address control line B5 of the second group address control line. The set of power lines (HV Fire Bank1~HV Fire Bank5) includes, for example, a first array power line HV Fire Bank1, a second array power line HV Fire Bank2, a third array power line HV Fire Bank3, and a fourth array power line HV F i Re Bank4 and the fifth array power cord HV Fire Bank5. The set of printed data lines (PS1 P PSU) includes, for example, a first print data line PS1, a second print data line PS2, . . . , and an eleventh print data line PS11 'the first array Bankl The fifth array Bank5 is powered by the first array power line HV Fire Bank1 to the fifth array power line HV Fire Bank5. In this embodiment, each of the three-dimensional inkjet driving circuit 4 selects one of the two address control lines (solid lines) of the connected first group of address control lines to be activated, and Two of the address control lines of the group address control line are combined signals, so the combined signals and sequences include (A1, A2), (A1, A3), (A1, A4), (A1, A5), A total of ten combinations (A2, A3), (A2, A4), (A2, A5), (A3, A4), (A3, A5), and (A4, A5), 12 1311953 A column of three-dimensional inkjet driving circuit 4 correspondingly connects two address control lines formed by the combined signals. In addition, each column of the three-dimensional ink-jet driving circuit 4 is further connected to an address control line (dashed line) other than the combined signal of the desired moving column to speed up the printing speed. The first column (bottom of the figure) of each of the arrays (Bank1~Bank5) is connected to the first address control line A1 and the second address control line A2 of the first group of address control lines, each array (Bankl) The second column of ~Bank5) is connected to the first address control line A1 and the third address control line A3 of the first group of address control lines, and so on, the tenth column of each array (Bank1~Bank5) and The fourth address control line A4 of the first group of address control lines and the fifth address control line A5 are connected, if two address control lines of the first group of address control lines connected to the column are south potential' It means that the column is selected for action. In addition, each of the three-dimensional ink-jet driving circuits 4 in the first array Bank 1 is connected to the first address control line B1 of the second group of address control lines, and each of the three-dimensional ink-jets in the second array Bank2 The driving circuit 4 is connected to the second address control line B2 of the second group of address control lines, and so on, and each of the three-dimensional ink-jet driving circuit 4 and the second group of address control lines in the fifth array Bank5 The fifth address control line B5 is connected. If the second group address control line connected to the array (Banki~Bank5) is high, it indicates that the array (Banki~Bank5) is selected. In addition, the first line of each array (Bank1~Bank5) (the leftmost side in the figure) is connected with the first printed data line PS1, and the second printed data line ps2 to the eleventh printed data line PS11 respectively and each The second row to the eleventh row of an array (Banki~Bank5) are connected, and the printed data line connected to the row determines whether the row has printed data. If the printed data line is high, it indicates that there is printing.资 t 13 '1311953

In this embodiment, the printer control system (not shown) is provided by the first group of address control lines (A1 to A5), the second group of address control lines (B1 to B5), and a set of power lines (HV). Fire Bankl~HV Fire Bank5) and a set of printed data lines (PS1~PS11) respectively select a plurality of three-dimensional inkjet driving circuits 4 to be activated, and the order of action is first controlled by the first group address The line (A A A5) and the second set of address control lines select a plurality of three-dimensional inkjet drive circuits 4 to be activated. Then, according to the set of printing data lines (PS1 to PS11), it is determined whether a plurality of selected three-dimensional inkjet driving circuits 4 are to be activated (whether or not there is printing data), and if the printing data is printed, the printing data lines are High potential. Finally, the power line of the selected array outputs a short time high potential 'at this time' a plurality of selected three-dimensional inkjet driving circuits 4 that print data, and heats part of the ink to generate bubbles, thereby injecting ink Push out a plurality of inkjet holes. For example, if the three-dimensional inkjet driving circuit 4 of the first row of the first array Bank1 is used as an example, first, the first address control line A1 and the second bit of the first group of address control lines are used. The address control line A2, the first address control line of the second group address control line, and the potential of the first print data line PS1 are pulled up to the zeta potential to select the first row of the first column in the first array Bank 1. The three-dimensional inkjet driving circuit 4 is actuated, wherein the first printed data line PS1 is high potential indicating that the printed data is present, and then the first array power line HV Fire Bank1 outputs a short time high potential, at this time, the first The three-dimensional inkjet driving circuit 4 of the first row of the first row in the array Bank1 is actuated. The following will be the three-dimensional first row of the first column in the first array Bank 1 described above.

The 1311953 inkjet drive circuit 4 is further described. Please refer to the fourth figure, which is a three-dimensional inkjet driving circuit diagram of the first preferred embodiment of the present invention. As shown in the fourth figure, it is suitable for heating the wafer of the inkjet head and is connected to the first group of addresses. The first address control line A1 of the control line, the second address control line A2, the third address control line A3, the fifth address control line A5, and the first address control line B1 of the second group address control line The first array power line HV Fire Bank1, the first print data line PS1, and a common end point COM are used to heat a portion of the ink to generate bubbles, thereby pushing the ink out of the ink ejection hole. The three-dimensional inkjet driving circuit 4 of the present invention mainly comprises a heater 41, a selection circuit 42 and a pull-down circuit 43a, wherein the heater 41 is composed of a heating resistor 411 and a driving transistor 412 (Driver MOS), and is connected in series. Connected to the first array power line HV Fire Bank1 and the common terminal COM, and the driving transistor 412 has a heater control terminal Η connected to the selection circuit 42 to control whether the heater 41 is heated by the heater control terminal Η When the heater control terminal Η is at a high potential, the driving transistor 412 is turned on to heat the heating resistor 411. In this embodiment, the selection circuit 42 is connected to the first address control line 第一1 of the first group address control line, the second address control line Α2, and the first address control line of the second group address control line Β1. And a first printed data line PS1 for controlling the potential of the heater control terminal, and controlling whether the heater 41 is heated by the heater control terminal Η. The selection circuit 42 is mainly composed of at least three MOS switching elements 421, 422, and 423 connected in series, when the first group address control line of the first address control line Α1, the second address control line Α2, and the second group of bits The first address control line Β1 of the address control line and the first print data line PS1 are high-voltage 15 1311953 丨 gt; when the positive 丨 position, the three MOS switching elements 42 422 'move the guide ^ and the high potential It is sent to the heater control terminal H, which in turn charges the stray capacitance Cg of the heater control terminal η' to control the heater heating by the heater control terminal Η. ^ Referring again to the fourth figure, the pull-down circuit 43a is connected to the heater control terminal H, the third address control line A3 of the first group address control line, the fifth address control line A5, and the common terminal COM. The pull-down circuit 43a includes at least two parallel MOS switching elements 43d, 43a2, and is controlled by the second address control line A3 and the fifth address control line A5 of the first group of address control lines, respectively, when the first group of bits The third address control line A3 of the address control line is the same as the high potential b temple 'M0S switch το 43AL conduction', when the fifth address control line A5 of the first group address control line is high, m〇 The s switching element 43a2 is turned on' so that as long as the third address control line A3 and the fifth address control line A5 of the first group address control line are high, the heater controls the endpoint Η and the common terminal A conduction circuit is formed between the C0M via the pull-down circuit 4, so that the voltage of the stray capacitance cg is discharged through the pull-down circuit 43a, so that the discharge speed of the stray capacitance Cg is greatly accelerated, thereby speeding up the printing speed. Please refer to the third and fourth figures as a whole. When the printer prints in the same direction, the first three-dimensional three-dimensional inkjet_circuit 4 will be selected first, and then the multiple three-dimensional three-dimensional array will be selected. The ink drive circuit 4, and so on, wherein the order of the first group of address control lines (Ab A5) is high (A1' A2), (A1, A3), (Al, A4), (Al , A5), (A2, A3), (A2 A4), (a2, a5), (A3, A4), (A3, a5), (A4, A5), on the contrary, when the print 16

13.11953 When the machine is reversely printed, a plurality of three-dimensional inkjet driving circuits 4 of the tenth column are selected first, and then a plurality of three-dimensional inkjet driving circuits 4 of the ninth column are selected, and so on, wherein the first group of bits The order in which the address control lines (A1 to A5) are high is (A4, A5), (A3, A5), (A3, A4), (A2, A5), (A2, VIII), (A2, A3). , (Al, A5), (Al, A4), (A1, A3), (Ai, A2). The fourth figure shows that the three-dimensional inkjet driving circuit 4 is connected to the first group of address control lines, four address control lines (Al, A2, A3, A5), and one of the second group address control lines. Line (B1), one of the printed data lines (PS1) and one of the power lines (HV Fire Bank1), that is, the two-dimensional ink drive circuit 4 is disposed in the first row of the first column, using the first Group address control lines, two address control lines (Al, A2), one of the second address control lines, one of the address control lines (B1), and one of the printed data lines (PS1), selectable and enabled (Enab 1 e) The three-dimensional inkjet driving circuit 4' When the printer prints in the forward direction, the first address control line A1 and the third address control line A3 of the first group address control line are next The high-potential group-group address control lines (A1 to A5), so when the second column is selected, the first column uses the third site of the group of address control lines to control the high potential of the line A3. Discharge the first series of stray capacitances Cg. Conversely, when the printer reverses printing, the first group of address control lines The address control line A4 and the fifth address control line A5 are the first group of address control lines (m~A5) of the next set of high potentials, so when the tenth column is selected, the first column utilizes the first group. The high potential of the fifth address control line A5 of the address control line discharges the first plurality of stray capacitances Cg, so that the discharge speed of the stray capacitance eg is greatly accelerated, thereby speeding up the printing speed. 17 1311953 !9B. % 13⁄4-年月日日, I 补无— Please refer to the fifth figure, which is the timing diagram of the control signal transmitted by the printer control system (not shown), as shown in the fifth figure. It includes a first set of address control lines (A1 to A5), a second set of address control lines (Bb B5), a set of power lines (HV Fire Bankl~HV Fire Bank5), and a set of printed data lines ( PS1~PS11), there can be multiple printing materials at the same time, that is, at the same time, the group of printing data lines (PS1~PS11) can have multiple high potentials, and the first group of address control lines (A1) The signal of ~A5) is output according to the above coding rule. Only the address control lines of the first group address control lines (A1 to A5) are high, and the order of high potential in the forward printing is ( A1, A2), (A1, A3), (Al, A4), (Al, A5), (A2, A3), (A2, A4), (A2, A5), (A3, A4), (A3, A5), (A4, A5), conversely, when the printer reverses printing, the order of high potential is (A4, A5), (A3, A5), (A3, A4), (A2, A5), (A2, A4), (A2, A3), (A1, A5) , (A1, A4), (Al, A3), (Al, A2), the second group of address control lines (B1 to B5) at the same time only one address control line is high, the order is Bl, B2 B3, B4, B5. As shown in the fifth figure, after the short-term high potential of the first address control line B1 of the second group address control line is completed, the first array power line HV Fire Bank1 has a short time high potential for providing The energy is supplied to the plurality of selected three-dimensional inkjet driving circuits 4 in the first array Bank1, and the partial ink is heated to generate bubbles, thereby pushing the ink out of the plurality of inkjet holes of the heating wafer, and so on, and other power sources. The lines (HV Fire Bank2~HV Fire Bank5) provide energy to other arrays (Bank2~Bank5) respectively. However, in order for the fifth array Bank5 to complete printing, there must be a period of time for the first group of address control lines (A1~A5). Change the potential so that the fifth array Bank5 18 1311953 will not be made

Also, the Yuanyin mouth was discharged. + FIG. 6 is a schematic diagram of a three-dimensional ink-jet driving matrix circuit according to a second preferred embodiment of the present invention, such as a first array (Bank1) and a second array (Bank2). , three arrays (Bank3), fourth array (Bank4), and fifth array (Bank5), each of which (Banki ~ Bank5) consists of a plurality of three-dimensional inkjet drive & circuit 7 composition. By means of the #$〗 彳5 transmitted by the printer control system (not shown), a plurality of three-dimensional inkjet horse circuit 7 to be activated are respectively selected and driven by the three-dimensional inkjet. The circuit 7 triggers the heating of the electric device to perform the ink jet printing operation. In this embodiment, the three-dimensional inkjet driving matrix circuit further includes, for example, a first group of address control lines (Ab A5), a second group of address control lines (B1 to B5), and a set of power lines (HV Fire). Bankl ~ HV Fire Bank5), - group print data line (PS1 ~ PS1 丨) and a total of end point C0M (not shown in the figure where the head of the inkjet head is connected to the printer control system (not shown), and The common terminal COM can be the ground of the power supply, and each of the three-dimensional inkjet driving circuit 7 is connected to the common terminal COM. In this embodiment, the first group of address control lines (A1) ~A5) includes, for example, a first address control line A1, a second address control line A2, a third address control line A3, a fourth address control line A4, and a fifth address control of the first set of address control lines Line A5. The second group of address control lines (B1 to B5) includes, for example, a first address control line B1, a second address control line B2, a third address control line B3, and a second address control line. Four address control lines B4 and fifth address control lines B5. The set of power lines (HV Fire Bank1 to HV Fire Bank 5) include, for example, a first array 19 131 1953 m. 2„ year power cord HV Fire Bankl, second array power cord HV Fire Bank2, third array power cord HV F i re Bank3, fourth array power cord HV F i re Bank4, and fifth array power cord HV F i re Bank 5. The set of printed data lines (PS1 to PS11) includes, for example, a first print data line PS1, a second print data line PS2, . . . , and an eleventh print data line PS11, wherein The first array Bank1 to the fifth array Bank5 are respectively powered by the first array power line HV Fire Bank1 to the fifth array power line HV Fire Bank 5. In this embodiment, each three-dimensional inkjet driving circuit 7 is connected. One of the address control lines has two address control lines, and the first group of address control lines, wherein the two address control lines are combined signals, the combined signals and sequences are (A1, A2), (A1, A3), (A1, A4), (A1, A5), (A2, A3), (A2, A4), (A2, A5), (A3, A4), (A3, A5), and (A4, A5) A total of ten combinations, the first column of each array (Bankl ~ Bank5) (the bottom of the figure) and the first address control of the first set of address control lines The line A1 and the second address control line A2 are connected, and the second column of each array (Bank1~Bank5) is connected with the first address control line A1 and the third address control line A3 of the first group address control line. The tenth column of each array (Banld~Bank5) is connected to the fourth address control line A4 and the fifth address control line A5 of the first group address control line, if the two bits connected to the column The south of the address control line indicates that the column is selected for operation. Further, each of the three-dimensional ink-jet driving circuits 7 in the first array Bank 1 is connected to the first address control line B1 and the fourth address control line B4 of the second group address control line. Each of the three-dimensional ink-jet driving circuit 4 in the second array Bank2 is connected to the second address control line B2 and the fifth address control line B5 of the second group address control line.

Pick up. By analogy, each drive circuit 4 in the fifth array Bank5 is connected to the fifth address control line B 5 and the third address control line B3 of the second group address control line, if the second group address control The first line of the line, the control line B1 of the Go, and the potential means that the first array Bank1 is selected to be bare, and when the second address control line B2 of the second set of address control lines is high, the second array is represented. Bank2 was selected and only one of the same time was chosen. In addition, the first line of each array (Bank1~Bank5) (the leftmost side of the (three) sentence) is connected with the first print data line PS1, and the second print capital PS2 to the eleventh print data line PS11 and each The second row to the eleventh row of the array (Bankl~Bank5) are connected, and the printed data line connected to the row determines whether the row has printed information, and if the printed data line is high, it indicates that the printing is printed. data. In this embodiment, the 'printer control system (not shown) is provided by the first group address control lines (A1 to A5), the second group of address control lines (B1 to B5), and a set of power lines (HV). Fire Bank1~HV Fire Bank5) and a set of printed data lines (PS1~PS11) respectively select a plurality of three-dimensional moving ink driving circuits 7 to be activated, and the operation sequence is as follows. First, a plurality of three-dimensional inkjet driving circuits 7 to be activated are selected by the first group of address control lines (A1 to A5) and the second group of address control lines (B1 to B5), and then the data is printed according to the group. The lines (PS1 to PS11) determine whether a plurality of selected three-dimensional ink-jet driving circuits 7 are to be operated (whether or not there is printing data), and if there is printing data, the printing data lines are high, and finally, selected. The power line of the array outputs a short time high potential. At this time, a plurality of three-dimensional ink-jet driving circuits 7 selected and printed with data are activated, and a part of the ink is heated to generate bubbles, and the 21 1311953 will be in full bloom. , \, , ; ____ add 墨水 and push the ink out of the plurality of ink-jet holes of the heating wafer. For example, if the three-dimensional inkjet driving circuit 7 of the first row in the first row of the first array Bank 1 is used as an example, first, the first address control line of the first group of address control lines is first and second. The address control line A2, the first address control line B1 of the second group address control line, and the potential of the first print data line PS1 are pulled up to a high potential to select the first row of the first column in the first array Bank1. The three-dimensional inkjet driving circuit 7 is actuated, wherein the first printed data line PS1 is at a high potential to indicate that the printed material is printed. Then, the first array power line HV F ire Bank1 outputs a high potential for a short time, at which time, the three-dimensional ink-jet driving circuit 7 of the first row of the first array in the first array Bank1 is activated. The three-dimensional ink-jet driving circuit 7 of the first row of the first row in the first array Bank1 will be further described below. Please refer to the seventh figure, which is a three-dimensional inkjet driving circuit diagram of the second preferred embodiment of the present invention, as shown in the seventh figure, which is suitable for heating the wafer of the inkjet head and is connected to the first group of addresses. The first address control line A1 of the control line, the second address control line A2, the first address control line B1 of the second group address control line, the fourth address control line B4, and the first array power line HV Fire Bankl, the first printed data line PS1, and a total of terminals COM are used to heat a portion of the ink to generate bubbles, thereby pushing the ink out of the ink-jet holes of the heating wafer. The three-dimensional inkjet driving circuit 7 includes at least a heater 41, a selection circuit 42 and a pull-down circuit 43b, wherein the heater 41 is composed of a heating resistor 411 and a driving transistor 412 (Driver MOS) in series, and the two ends of the series are connected to The first array power line HV Fire Bank1 and the common terminal (3) are connected, and the driving transistor 412 has a heater control terminal Η connected to the selection circuit 42, and the heater control terminal is controlled by 22 to supplement the ξ8 1311953 month. Whether the heating thief 41 is heated or not, when the force ——* the driving transistor 412 is turned on so that the force D: the device control terminal H is at a high potential, the heating resistor 411 is twisted. In this embodiment, the selection of the electric", the first address control line A, the first, the first group address control line line, the first address control (four) Bl ^ address control line A2, the second group The address control control heater control terminal Η and the first-printing data line PS are used to heat the heater 41. In addition, the straw is controlled by the heater terminal Η control switch element 纽, milk, 423 ^ selection circuit 42 is composed of at least three - 第 - 位 位 控制 第 第 第 第 , , , , , , , , , , , 当 当 当 当 当 当 当 当 当 当 当 当 当 当 当 当 当 当 当 当 当 当When the position is controlled, the three M0S switching elements ^ the first printed poor line PS1 are sent to the heater control terminal H at a high potential, and 422, 423 are turned on and the high electric stray capacitance Gg is charged, by force, D, in turn, heats the wire control terminal 。. ·,, thief control end point Η control heater 41 In this embodiment, the pull-down, Η, the second group of address control lines are connected to the heater The control endpoint COM is composed of at least one M〇s address: the line B4 and the common terminal. ^ The gateway is 43bl, and the total number of the group is controlled by the fourth. Controlled by the address control line β4_The second address control line B4 of the second=second control line is at a high potential, the m address 43M is turned on 'to make the heater control end: the uncle under the 钤 钤 ;; ^ /" And the connection between the & point COM via 43b, the conduction-conduction loop 'discharges the stray capacitance to the voltage through the pull 4 43b, thus greatly speeding up the stray capacitance at the speed ^ and thus speeding up the printing speed. Please refer to the sixth and seventh figures. Overall, when the printer prints 23

At 1311953, a plurality of three-dimensional inkjet driving circuits 7 of one of the first array Bank1 are selected first, and then a plurality of three-dimensional inkjet driving circuits 7 of one of the second arrays Bank2 are selected, so the second group of bits The order in which the address control lines are high is B1, B2, B3, B4, and B5. The seventh figure shows that the three-dimensional inkjet driving circuit 7 is connected to the first group of address control lines, two of the address control lines (Al, A2), and the second group of address control lines, two of which are control lines (BhB4). ), one of the printed data lines (PS1) and one of the power lines (HV Fire Bank1), that is, the three-dimensional inkjet driving circuit 7 is disposed in the first row of the first column, using the first set of address control lines Two address control lines (Al, A2), one of the second set of address control lines (B1) and one of the printed data lines (PS1), which can be used to select and enable (3D) Inkjet drive circuit 7. For example, if the printer print order is Bank1, Bank2, Bank3, Bank4, Bank5, when the fourth array Bank4 is selected, the first array Bank1 uses the fourth address of the second set of address control lines. The high potential of the control line B4 discharges the plurality of stray capacitances Cg of the first array Bank1. Similarly, when the fifth array Bank5 is selected, the second array Bank2 utilizes the fifth address of the second set of address control lines. Controlling the high potential of the line B5, discharging the plurality of stray capacitances Cg of the second array Bank2, that is, using the second group of address control lines (B1 to B5), one of the address control lines selects the array to be activated, and will not The plurality of stray capacitances Cg of the selected array are discharged, so that the discharge speed of the stray capacitance Cg is greatly accelerated, thereby speeding up the printing speed and reducing the number of contacts of the ink jet head. Please refer to the eighth figure, which is the timing chart of the control signal transmitted by the printer control system (not shown) 24 1311953 2. 1 year month a, as shown in the eighth figure, which contains the first group of bits. Delay control line (A Bu A5), second set of address control lines (B Bu B5), a set of power lines (HV Fire Bankl ~ HV Fire Bank5) and a set of printed data green (PS1 ~ PS11), at the same time There may be a plurality of printed materials, that is, at the same time, the group of printed data lines (PS1 to PS11) may have a plurality of high potentials, and the signals of the first group of address control lines (A1 to A5) are According to the above coding rule output, only the first group address control line (A Bu A5), two of the address control lines are high, and the second group of address control lines (B Bu B5) have only one address control at the same time. The line is high, and the order is B1, B2, B3, B4, B5. As shown in the eighth figure, when the first address control line of the second group of address control lines ends at a short time high, then the first An array of power lines, HV Fire Bankl, has a short high potential to provide energy to multiple of the first array Banki. Selecting the three-dimensional inkjet driving circuit 7, and heating a part of the ink to generate bubbles, thereby pushing the ink out of the plurality of ink-jet holes of the heating chip, and so on, and other power lines (HV Fire Bank2~HV Fire Bank5) Provide energy to other arrays (Bank2~Bank5). In summary, the three-dimensional inkjet driving circuit of the present invention is disposed on a heating wafer inside the inkjet bean shell structure for heating a portion of the ink, thereby causing the ink to be pushed out of the inkjet hole and sprayed onto the inkjet medium. When the number of ink-jet holes of the ink-jet head is increased, the number of contacts of the ink-jet head is not increased, and the reliability of the contact is increased, which in turn increases the print quality and speeds up the printing. Therefore, the technology of this case is of great industrial value and conforms to various patent requirements. This case has been modified by people who are familiar with this technology. 25 1311953 is not to be protected as claimed. M) 8. %, Year

26 1311953 [Simple Description of the Drawings] The first figure is a schematic diagram of an inkjet driving circuit for controlling the operation of a single heating resistor in a conventional heating wafer. ° ^2: This is an inkjet drive_circuit drawing of a conventionally controlled heating wafer. 4 阻 运 运 :::: ί: The three-dimensional inkjet driving moment of the first preferred embodiment of the present invention is not intended. 2: It is the three-dimensional inkjet driving electric diagram of the first preferred embodiment of the present invention, which is a control letter transmitted by the printer control system (not shown): it is the second comparative three-dimensional type of the case. The inkjet drive circuit is not intended to be dry. Figure 3 is a three-dimensional ink drive motor of the second preferred embodiment of the present invention. It is a control letter transmitted by a printer control system (not shown).彳 31彳海正年月曰, π, Supplement B11953 [Main component symbol description] 22: Part 2: Ink 匣 31: Body 11: Heating resistor (3) Μ : Common terminal PS PS: Print data Line I: Ink cartridge II: Body 12: Porous absorbent material 1: Single ink jet driving circuit 12: Driving transistor 2: Inkjet driving array circuit A1 to A5: First group address control line 4: Three-dimensional inkjet Drive circuits B1 to B5: second group address control line 41: heater 412: drive transistor 411: heating resistor

Cg: stray capacitance 42: selection circuit 43a, 43b: pull-down circuit Η: heater control terminal HV Fire Bank 1 to HV Fire Bank 5: power supply line 42 422, 423, 43a, 43a2, 43bl: MOS switching element 7. Two-dimensional nozzle ink drive circuit 28

Claims (1)

1311953 X. Patent application scope: _#, 13 corrections | • ^月R ! _ Supplementary: 1 · A three-dimensional inkjet driving circuit, which is suitable for heating a wafer with one of the inkjet heads, and with a first a group address control line, a second group address control line, a power line, a printed data line, and a common end point are connected to heat a portion of the ink to generate bubbles, thereby pushing the ink out of the heating chip. An inkjet hole, wherein the first set of address control lines is composed of a plurality of address control lines, and the second set of address control lines includes at least one address control line. The three-dimensional inkjet driving circuit system comprises: a heating And a heater control terminal, and the heater is connected to the power line and the common terminal 'to control whether the heater is heated by the heater control terminal; a selection circuit' a portion of the address control line of the first group of address control lines, at least a portion of the address line of the second group of address control lines, the printed data line, and the heater control terminal connection, the first Group of address control lines a bit control line, an address control line of the portion of the second address control line, and the printed data line, and a signal is generated to control the voltage of the heater control terminal by using the control terminal Point control of the heater operation; and *,,, pull-down circuit /, material connected to the heating 1n, and another part of the address control line and the common: two-site control line of the other part of the address control If the age is controlled, whether the pull-down circuit is formed between the common terminal and the common terminal is controlled, and the voltage of the terminal is discharged through the pull-down circuit. 2. The heating and energy control 1 29 19 B11953 2. The three-dimensional inkjet driving circuit according to claim 1, wherein the heater is composed of a heating resistor and a driving transistor, and is connected in series Connected to the power line and the common terminal, and the driving transistor has the heater control terminal connected to the selection circuit. 3. The three-dimensional inkjet driving circuit of claim 1, wherein the selection circuit is composed of a plurality of switching elements connected in series, and the address control line connected to the selection circuit and the printed data line When high, the plurality of switching elements are turned on and a high potential is delivered to the heater control terminal. 4. The three-dimensional inkjet driving circuit of claim 3, wherein the plurality of switching elements are MOS transistors. 5. The three-dimensional inkjet driving circuit of claim 3, wherein the pull-down circuit is composed of at least one switching element and is connected in parallel between the common terminal and the heater control terminal, when When one of the address control lines connected to the pull-down circuit is at a high potential, at least one switching element of the pull-down circuit is turned on, so that a conduction between the heater control terminal and the common terminal is formed through the pull-down circuit. Loop. 6. The three-dimensional inkjet driving circuit of claim 5, wherein the switching element is a MOS transistor. 7. A three-dimensional inkjet driving matrix circuit, which is suitable for heating a wafer in one of the inkjet heads, and is coupled to a first set of address control lines, a second set of address control lines, a set of power lines, A set of printed data lines and a total of end points are connected for heating a portion of the ink to generate bubbles, and then pushing the ink out of the plurality of ink ejection holes of the heating wafer, the three-dimensional inkjet driving matrix 30 1311953 ρτ~^ The τΐ|ϋ 电路 电路 circuit comprises: a plurality of arrays, which are composed of a plurality of three-dimensional inkjet driving circuits, each array being connected to one of the power lines of the set of power lines, the first group of address control lines, At least one address control line of the second set of address control lines, the set of printed data lines, and the common end point, and each array has a plurality of rows and a plurality of columns, each row connecting the group of printed materials One of the lines prints the data line, wherein each of the three-dimensional inkjet driving circuit connects a portion of the address control lines of the first group of address control lines and at least a portion of the address of the second group of address control lines a control line, one of the power lines of the set of power lines, one of the printed data lines of the set of printed data lines, and the common end point for heating a portion of the ink to generate a bubble, thereby pushing the ink out of a corresponding The inkjet hole, the three-dimensional inkjet driving circuit comprises: a heater connected to one of the power lines of the set of power lines and the common terminal, and having a heater control end point by the heater The control terminal controls whether the heater is heated; a selection circuit is a portion of the address control line of the first group of address control lines connected to the three-dimensional inkjet driving circuit, and the second group of address control lines Controlling the heater control endpoint by at least a portion of the address control line, the printed data line, and the heater control terminal connection, using an address control line connected to the selection circuit and a control signal for printing the data line a voltage controlled by the heater control terminal to operate the heater; and a pull-down circuit coupled to the heater control terminal, and 31 1311953 another portion of the address control line of the first group of address control lines connected to the three-dimensional inkjet driving circuit and the common terminal, and a control signal of the address control line connected to the pull-down circuit, Controlling whether the pull-down circuit forms a conduction loop between the heater control terminal and the common terminal, so that the voltage of the heater control terminal is discharged through the pull-down circuit. 8. The three-dimensional inkjet driving matrix circuit according to claim 7, wherein the heater is composed of a heating resistor and a driving transistor, and the two ends of the series are connected to the power line of the group. One of the power lines and the common terminal, and the driving transistor has the heater control terminal connected to the selection circuit, and the heater control terminal controls whether the heater is heated. 9. The three-dimensional inkjet driving matrix circuit according to claim 7, wherein the selection circuit is composed of a plurality of switching elements connected in series, and an address control line connected to the selection circuit and a printed data line are At high potentials, the plurality of switching elements are turned on and a high potential is delivered to the heater control terminal. 10. The three-dimensional inkjet driving matrix circuit of claim 9, wherein the plurality of switching elements are MOS transistors. 11. The three-dimensional inkjet driving matrix circuit of claim 7, wherein the pull-down circuit is composed of at least one switching element and is connected in parallel between the common terminal and the heater control terminal. When one of the address control lines connected to the pull-down circuit is at a high potential, at least one of the switching elements is turned on to form a conduction loop between the heater control terminal and the common terminal via the pull-down circuit. 32 The three-dimensional ink-jet drive matrix circuit of claim 11, wherein the switching element can be a MOS transistor. 13. The two-dimensional ink drive matrix circuit of claim 7, wherein the three-dimensional inkjet drive circuit selects the first set of address control lines and the second set of address control lines At least one of the three-dimensional inkjet drive matrix circuits is to be actuated by the three-dimensional inkjet drive circuit. 33