CN101152802A - Methods and apparatus for inkjet printing color filters for displays using pattern data - Google Patents
Methods and apparatus for inkjet printing color filters for displays using pattern data Download PDFInfo
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- CN101152802A CN101152802A CNA200710146140XA CN200710146140A CN101152802A CN 101152802 A CN101152802 A CN 101152802A CN A200710146140X A CNA200710146140X A CN A200710146140XA CN 200710146140 A CN200710146140 A CN 200710146140A CN 101152802 A CN101152802 A CN 101152802A
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133509—Filters, e.g. light shielding masks
- G02F1/133514—Colour filters
- G02F1/133516—Methods for their manufacture, e.g. printing, electro-deposition or photolithography
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1345—Conductors connecting electrodes to cell terminals
- G02F1/13454—Drivers integrated on the active matrix substrate
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
- G09G3/3611—Control of matrices with row and column drivers
- G09G3/3648—Control of matrices with row and column drivers using an active matrix
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
- H10K71/10—Deposition of organic active material
- H10K71/12—Deposition of organic active material using liquid deposition, e.g. spin coating
- H10K71/13—Deposition of organic active material using liquid deposition, e.g. spin coating using printing techniques, e.g. ink-jet printing or screen printing
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- Nonlinear Science (AREA)
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- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mathematical Physics (AREA)
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Abstract
The invention provides methods, systems, and drivers for controlling an inkjet printing system and manufacturing display objects. The system may include a print controller including one or more drivers, at least one print head coupled to the drivers, a stage controller coupled to the print controller, one or more motors coupled to the stage controller, encoders coupled to the motors and the stage controller, and a host coupled to the stage controller and the print controller. The host is adapted to transfer pattern parameter data to the print controller, and the print controller is adapted to use the pattern parameter data to trigger the at least one print head to deposit ink into pixel wells on a substrate as the substrate is moved in a print direction by the at least one motor under the direction of the stage controller in response to a command from the host.
Description
The application requires to enjoy the U.S. Patent application No.11/466 that is entitled as " METHODS ANDAPPARATUS FOR INKJET PRINTING COLOR FILTERS FOR DISPLAYSUSING PATTERN DATA " (attorney docket No.9521/P04) that submitted on August 23rd, 2006,507 priority, its full content is incorporated in this as a reference.
The cross reference of related application
The application relates to the U.S. Patent application No.11/061 that is entitled as " METHODS AND APPARATUSFOR PRECISION CONTROL OF PRINT HEAD ASSEMBLES " of submission on February 18th, 2005,120, attorney docket No.9769, its full content is incorporated in this as a reference.
The application also relates to the U.S. Patent application No.11/238 that is entitled as " METHODS AND APPARATUSFOR HIGH RESOLUTION INKJET FIRE PULSE GENERATOR " of submission on September 29th, 2005,637, attorney docket No.10003, its full content is incorporated in this as a reference.
Technical field
The present invention relates generally to the system that makes the colour filter that is used for flat-panel monitor, relates more specifically to control the system and method for the operation of the ink-jet printer that is used for printing color-filter.
Background technology
The FPD industry is attempting to utilize ink jet printing to make display device, particularly colour filter.A technical problem effectively using ink jet printing is to be difficult to ink or other material accurately also accurately are sprayed on the substrate, and has higher output simultaneously.Using needs quite big storage resources and the very detailed information of download time to guide ink jet printing also to bother and poor efficiency.Therefore, need effectively and accurately drive the method and apparatus of printer control system.
Summary of the invention
In specific technical scheme, the invention provides a kind of system that shows object that is used to make.This system can comprise the print controller with one or more drivers, at least one print head that connects with driver, the workbench controller that connects with print controller, the one or more motors that connect with the workbench controller, the encoder that connects with motor and workbench controller, and the main frame that connects with workbench controller and print controller.Main frame is suitable for sending the pattern parameter data to print controller, and print controller is suitable for passing through at least one motor under the guiding of response from the workbench controller of the order of main frame when substrate, on print direction when mobile, use pattern parameter at least one print head of data-triggered and with in the pixel inking hole (pixel well) of deposit of ink on substrate.
In another technical scheme, the invention provides a kind of device that is used to control ink-jet printing system.This device can comprise the logic circuit with processor, the memory that connects with logic circuit, and connects with logic circuit and comprise connector so that the starting impulse generator circuit that connects with print head.Logic circuit is suitable for receiving the pattern parameter data, and substrate based on the pattern parameter data when print direction moves, logic circuit also is suitable for triggering print head with in the pixel inking hole of deposit of ink to the substrate.
In further technical scheme, the invention provides a kind of method that is used to make ink-jet printing system.This method comprises provides the logic circuit that comprises processor, memory is connected with logic circuit, the starting impulse generator circuit is connected with logic circuit, connector connected with the starting impulse generator so that with the connecting of print head, and at substrate when print direction moves, regulate that logic circuit is used for triggering print head with reception and with the pattern parameter data in the pixel inking hole of deposit of ink to the substrate.
Still in further technical scheme, the invention provides a kind of method of printing color-filter.This method comprises reception pattern parameter data, controls the starting impulse generator circuit in fixed current source based on the pattern parameter data, and uses the starting impulse that is produced by fixed current source starting impulse generator circuit to activate print head.
Further feature of the present invention and technical scheme will be more apparent by following detailed description, appended claims and accompanying drawing.
Description of drawings
Figure 1A is depicted as the schematic diagram of the ink-jet printing system of some embodiments according to the present invention;
Figure 1B is the schematic diagram that the details of print controller shown in the Figure 1A of some embodiments according to the present invention is shown;
Fig. 1 C is the schematic diagram that the details of driver shown in the Figure 1B of some embodiments according to the present invention is shown;
Fig. 1 D is the schematic diagram that the details of starting impulse generator circuit shown in Fig. 1 C of some embodiments according to the present invention is shown;
Fig. 1 E is the figure that the voltage signal that the starting impulse generator circuit is produced shown in Fig. 1 D of some embodiments according to the present invention is shown;
Fig. 1 F is the schematic diagram of the typical logical construction of driver shown in Fig. 1 C of some embodiments according to the present invention;
Fig. 1 G is the perspective view of the ink-jet printing system of some embodiments according to the present invention;
Fig. 2 A is the flow chart of the example of the system operation method of some embodiments according to the present invention;
Fig. 2 B is the logic timing figure of the example embodiment that concerns between the unlike signal according to ink-jet printing system of the present invention;
Fig. 3 is the vertical view of the substrate of the demonstration object that comprises that the ink-jet printing system with some embodiments according to the present invention uses;
Fig. 4 is the enlarged drawing of the single display pixel of the demonstration object on the substrate that the ink-jet printing system of some embodiments according to the present invention uses;
Fig. 5 is the flow chart of the example of the method for some embodiments according to the present invention;
Fig. 6 is the vertical view of the pattern parameter shown in some embodiments according to the present invention.
The specific embodiment
In ink-jet printer, the ink-jet printer control system activates the independent nozzle in one or more ink jet printing heads, and ink (or other liquid) drop is deposited or is injected on the substrate.When substrate moves with respect to print head, the moving synchronously of the activation of nozzle and substrate, thereby the position that deposit of ink is accurately limited to the substrate.Substrate is of different sizes and display pattern and side-play amount, and nozzle has the parameter and the arrangement of variation, thereby accurately deposition is not inevitable trifling operation.Yet, in the practical operation, in deposited picture, often having enough regularity, can simplify basically than full list of each drippage position so be used for the information of directed and activation nozzle.
The invention provides a kind ofly, produce and to make the apparatus and method of the information of colour filter " printing " on substrate based on pattern parameter data and specific device parameter.Therefore, can be accurately according to print system of the present invention and apace on substrate deposit liquid to form one or more colour filters.Ink-jet control system of the present invention also allows the flexibility about substrate dimension, and this can set in real time for each printing.
Below will describe based on such as the limited parameter group of the pixel quantity of drop interval, drop size, each demonstration and other digital parameters and the exemplary algorithm of printing.This exemplary algorithm allows pattern-information to simplify, thereby this information can be converted to actual ink jet printing instruction fast.
More specifically, such as the pattern of pixels of straight line drop can be by comprising drop interval, drop size, pixel interbody spacer, each demonstration pixel quantity, each substrate demonstration quantity and show between at interval pattern data effectively represent.Based on this information, can obtain starting impulse voltage amplitude and width for each drop, and send to suitable nozzle subsequently to trigger the distribution of liquid.By simplifying pattern of pixels information in this mode, consider the design of more streamlined and cheaper controller, can avoid otherwise need be in printer controller the mass data of communication and local storage.In some embodiments, the colour filter that is used to show can be included in the matrix in the predetermined pixel inking hole that forms on the substrate, and when fill with ink in the inking hole, it will become display pixel.Matrix can use photoetching or other technology to form.For example, before using coating, mask and etch process printing, can be on substrate layout pixel inking hole.
With reference to Figure 1A, show the schematic diagram of ink-jet printing system 100 example embodiment.Ink-jet printing system 100 can comprise controller 102, and this controller comprises logic, communication and storage device.Controller 102 can optional or additionally comprise one or more drivers 104,106 and 108, and this driver can comprise respectively that logic circuit is to send control signal (for example, starting impulse signal) to one or more print heads 110,112 and 114.Print head 110,112 and 114 can comprise one or more being used for such as the liquid deposition of the ink droplets nozzle 116,118 and 120 on the substrate S (shown in broken lines).Controller 102 can be additionally connects with the host computer 122 that is used to receive graph data and other data, and connects with the power supply 124 of the starting impulse that is used to produce amplification.
In the embodiment shown in Figure 1A, host computer 122 connects with workbench controller 126, and this workbench controller can provide XY (for example, level is with vertical) move with respect to print head 110,112 and 114 position substrate S.For example, workbench controller 126 can be controlled the workbench 129 of one or more motors 128 with mobile support substrates S.One or more encoders 130 can connect with motor 128 and/or workbench 129 motion feedback is offered workbench controller 126, this workbench controller can connect with controller 102 to provide conversely and can be used for following the tracks of the signal of substrate S with respect to the position of print head 110,112 and 114.In some embodiments, real-time controller 132 also can connect with controller 102 to be provided for making the ink-jet enable signal of ink (or other liquid) deposition.Though annexation is diagram not, in some embodiments, in order to determine when the ink-jet enable signal sends, and real-time controller 132 can receive the signal from workbench controller 126 and/or encoder 130.
In some embodiments, controller 102 can be or can comprise any element or device that this element or device are used by computer or computer system usually, perhaps are used in combination with computer or computer system.Though clearly do not illustrate among Fig. 1, controller 102 can comprise CPU, read-only storage (ROM) device and/or random-access memory (ram) device.Controller 102 also can comprise such as keyboard and/or mouse, the perhaps input unit of other fixed-point apparatus, can obtain the output device such as printer or other device of data and/or information by it, and/or be used for information is shown to user or operator's display unit such as monitor.Controller 102 also can comprise transmitter and/or receiver, such as the lan adapter or the PORT COM that are used for convenient other system element and/or network environment communication, one or morely be used to store any suitable data and/or database of information, one or more program or instruction groups that are used to carry out the inventive method, and/or comprise any other computer components or the system of any peripheral unit.
According to certain embodiments of the present invention, the instruction of program can be read in from another medium in the memory of controller 102, such as reading in ram set from the ROM device, perhaps reads in ram set from the Local Area Network adapter.The execution sequence that instructs in the program can cause controller 102 to carry out one or more processing steps described herein.In optional embodiment, hard-wired circuitry or integrated circuit can be used for substituting or are used in combination with the software instruction that is used for process enforcement of the present invention.Therefore, embodiments of the present invention are not limited to any specific combination of hardware, firmware and/or software.
As mentioned above, controller 102 can produce, receives and/or store the database that comprises the data relevant with offset data with pattern, substrate topology data, print head calibration/drippage displacement data and/or the substrate orientation of pixel to be printed.As understood by the skilled person in the art, the corresponding description of schematic diagram described herein and sample data structure and relation are exemplary setting for the performance of canned data.Except situation, can implement any amount of other setting by the exemplary proposed that is provided.
Shown in Figure 1A, driver 104,106 and 108 can be embodied as the part of the logic circuit of controller 102.In optional and/or additional embodiment, driver 104,106 and 108 can embody entire controller 102 or driver 104,106 and 108 and can be embodied as with controller 102 and connect, but independent analog-and digital-circuit independent of each other.As shown in the figure, each driver 104,106 and 108 can be used for driving corresponding print head 110,112 and 114.In some embodiments, a driver 104 can be used for driving all print heads 110,112 and 114.Driver 104,106 and 108 can be used for data and clock signal are sent to corresponding print head 110,112 and 114.In addition, driver 104,106 and 108 can be used for the starting impulse voltage signal is sent to corresponding print head 110,112 and 114 triggering print head 110,112 and 114 nozzle separately, thus with the ink of specific quantity or other liquid deposition to substrate.
Driver 104,106 and 108 can each directly connect with power supply 18, so that can produce high-tension relatively starting impulse to trigger nozzle " injection " ink.In some embodiments, power supply 18 can be and is suitable for producing the high voltage negative supply with about 140 volts or bigger amplitude signal.Other voltage also can use.Driver 104,106 and 108 can be under the control of controller 102, transmission has the starting impulse voltage signal in amplitude and specific and cycle, so that make the nozzle of print head deposit the drop of certain droplet size, as for example, U.S. Patent application 11/061 in preceding merging, 120, described in the attorney docket No.9769.
Print head 110,112 and 114 respectively can comprise any amount of nozzle 116,118 and 120.In some embodiments, but each print head 110,112 and 114 can comprise each all 128 nozzle of independent startup.The example of the print head that the market that is suitable for using with the present invention can be purchased is by the state of New Hampshire, and (Lebanon, the model that Spectra company NH) makes is SX-128, the ejection assemblies of 128 passages in Lebanon.This special ejection assemblies comprises two electrically piezoelectric patches independently, but respectively has the passage of 64 addressings, and it combines so that 128 nozzles altogether to be provided.Nozzle is with each other 0.020 " distance be arranged as single straight line.The drop of designs of nozzles for distributing 10 to 12 skins to rise also can be suitable for the drop that distributes 10 to 30 skins to rise.Also can use other print head.
With reference to Figure 1B, provide the schematic diagram of the details of example annexation in the embodiment of the controller that Figure 1A is shown.In specific embodiment, but the printhead assemblies of the different colourings of three of controller 102 parallel drive: red 110 ', green 112 ' and blue 114 ' (RGB).In some embodiments, each print head in ink-jet printing system 100 red 110 ', green 112 ' and blue 114 ' can by independent driver 104 ', 106 ' and 108 ' drive.For example, each print head red 110 ', green 112 ' and blue 114 ' can with the driver 104 of controller 102 ', 106 ' and 108 ' connect respectively.In some embodiments, particularly driver 104 ', during 106 ' and 108 ' parallel the connection, the Communication Hub 123 of processor control can be used for managing and optimize from main frame 122 to driver 104 ', 106 ' and 108 ' data download, thereby correct data can pass to correct driver 104 ', 106 ' and 108 '.Can distribute unique media interviews control (MAC) and transmission control protocol/Internet Protocol (TCP/IP) address to each print head/actuator assembly, thereby the Communication Hub 123 of processor control can correctly guide the suitable data part.Therefore, main frame 122 and driver 104 ', 106 ' and 108 ' each can be by such as the direct communication of the communication link of Ethernet.In this embodiment, controller 102 (or system 100) can comprise use for example by the California, and the model that Davis's Rabbit Semiconductor makes is the Communication Hub 123 based on Ethernet switch that the processor plate of RCM3300 is implemented.Driver 104 ', 106 ' and 108 ' therefore communications adapters that can comprise such as the ethernet lan device.In some embodiments, ethernet lan device and other communication apparatus can use driver 104 for example ', 106 ' and 108 ' logic circuit in FPGA implement.
Driver 104 ', 106 ' and 108 ' can be suitable for controlling print head based on parameter group, the form that this parameter group can command file sends driver to from main frame 122.For example can use the main frame 122 that the VME work station that can handle in real time realizes can be by for example, independent RS232 serial ports and/or ethernet communication path, will order with relevant parameter directly send to separately driver 104 ', 106 ' and 108 '.Therefore, driver 104 ', 106 ' with 108 ' can comprise that suitable logic circuit is to be connected and by Ethernet and/or the communication of RS232 string line.
Each driver 104 ', 106 ' and 108 ' can be by for example, unidirectional 128 circuit flat ribbon cables (representing with the square arrow among Figure 1B) and each print head 110 ', 112 ' and 114 ' connect, thereby each nozzle can receive independent starting impulse.As mentioned above, power supply 124 can with each driver 104 ', 106 ' and 108 ' connect.Workbench controller 126 can by unidirectional or two to communication bus and each driver 104 ', 106 ' and 108 ' connect so that aforesaid substrate location or out of Memory to be provided.For example, can use the RS485 communication path.Therefore, driver 104 ', 106 ' with 108 ' can comprise suitable logic circuit be connected and with the RS485 bus communication.Other communication apparatus such as Ethernet and/or RS232 also can or substitute use.In various embodiments, main frame 122 can comprise a plurality of and driver 104 ', 106 ' with 108 ' two be connected to communication.
With reference to Fig. 1 C and Fig. 1 F, provide the typical driver 104 shown in Figure 1B ' the schematic diagram of exemplary details.Fig. 1 F be the driver 104 that is included in Fig. 1 ' in the schematic diagram of typical logic circuit 132.Logic circuit 132 comprises one group of register 160 (hereinafter referred to as " pattern data register 160 ") that is used for the stored pattern supplemental characteristic, and connects with lookup table memories 134.Pattern data register 160 can be by memory allocated zone in the FPGA device, and/or uses independently flash memory or other memory component to realize.Logic circuit 132 also connects with starting impulse generator circuit 138 and PORT COM (COM port) 140,142 and 144.In some embodiments, driver 104 ' can additionally comprise the PORT COM 146 that is connected to PORT COM 144.Starting impulse generator 138 is connected to print head 146, its provide with for example ribbon cable be connected to corresponding print head 110 ' means.
Driver 104 ' logic circuit 132 (and each driver 106 ' and 108 ') can use and for example respectively comprise by the California Spartan that the Xilinx company of San Jose makes
TMOne or more FPGA devices of the internal processor of-3E serial FPGA are realized.In some embodiments, logic circuit 132 can comprise that 4 identical 32-nozzle-control-logical segments are (for example, at 4 Spartan
TMRealize each of four sections on one of them of-3E serial FPGA), thus for example drive the print head of 128 inkjet nozzles (for example, aforesaid model is SX-128, the ejection assemblies of 128 passages).
In service, but pattern data register 160 stored logic circuit 132 are used to produce and send to the data of starting impulse generator 138 with the logic level signal that triggers actual starting impulse, send this actual starting impulse and are used for activating the piezoelectric element of print head nozzle to distribute ink.In one embodiment, pattern data register 160 comprises independent register, with the storage drop to drop at interval 161, the middle total quantity 163 of the pixel of printing in the drop size 162, substrate length range on print direction (Y), the quantity 164 of the demonstration on the substrate on the Y direction, between the demonstration distance (gap) 165, with print head with respect to the relevant nozzle of the sabre shape angle (saber angle) of print direction to nozzle deferred message 166, and the interval data that is used to indicate blank spaces between pattern of pixels and/or pixel.
Lookup table memories 134 can be stored the data from predetermined correction look-up table (for example, determining during the calibration process), and it can be used to regulate and send to the starting impulse generator to trigger the data of starting impulse by logic circuit 132.In some embodiments, can use 16 (for example, 16 bit resolutions) to limit the starting impulse amplitude that sends to each piezoelectric element in the printhead assembly.The starting impulse amplitude can be used for indicating the quantity of ink (for example, drop size) of each injection action deposition.Use 16 to rise drop resolution ratio to specify the starting impulse amplitude to make controller 102 have 0.5 skin.Therefore, can store 16 starting impulse amplitude data for each nozzle or each drop.Similarly, for trigger voltage, can keep space in the lookup table memories 134 based on the pulse daley of each nozzle and/or pulse width modulation.Adjusting between the print head also can be stored in the lookup table memories 134.Logic circuit 132 also can comprise the internal processor memory, it can be used for explaining the order that is sent by main frame 122, one or more gate arrays in the configuration logic 132, and management enters the storage of the data of the pattern data register 160 that can be flash memory for example and lookup table memories 134.As mentioned above, driver 104 ' generation logic-level pulses that the Len req and the amplitude of starting impulse are encoded.Suitable time (for example, based on the position of print head with respect to object pixel inking hole), logic level signal sends to starting impulse generator 138 separately, and it makes response discharging actual starting impulse, thereby activates each inkjet nozzle of print head.
Produce the starting impulse generator 138 of starting impulse for the piezoelectric element of print head, for example can be connected with logic circuit 132, and connect with the print head interface by flat ribbon cable, this cable has the independent pathway that is used for corresponding each logic level of each single nozzles and starting impulse.Among Fig. 1 C, these ribbon cables are represented by the square arrow.
With reference to Fig. 1 D, provide the partial schematic diagram of exemplary details of the starting impulse generator circuit of Fig. 1 C that is used for an inkjet nozzle.Starting impulse generator circuit 138 comprises two input switch 150A and the 150B that connects respectively and control current source 152A and 152B.In some embodiments, two input switch 150A and 150B can be based on transistor, and/or current source 152A and 152B can for example use the FET (FET) of switching mode to implement.Current source 152A connects with high voltage source HV, and current source 152B connects with ground 154. Current source 152A and 152B also all connect with the lead of the piezoelectric element Cpzt (being represented by electric capacity) that leads to independent inkjet nozzle.Though should be noted that the purpose in order to illustrate, piezoelectric element Cpzt is depicted as the part of starting impulse generator 138, and piezoelectric element Cpzt reality is in the outside of the inkjet nozzle 116 (Figure 1A) of print head 110 (Figure 1A).
With reference to Fig. 1 E, provide the figure of the voltage signal that produces from the input pulse of logic circuit 132 (Fig. 1 C) by the starting impulse generator shown in Fig. 1 D response.Be in operation, first logic-level pulses that input switch 150A place is received from logic circuit 132 causes input switch 150A at T1 place conducting current source 152A, and it is to piezoelectric element Cpzt charge (it is as electric capacity on the electronics).In case first logic-level pulses finishes at the T2 place, input switch 150A cut-off current source 152A.When receiving by input switch 150B at the T3 place from second logic-level pulses of logic circuit 132, input switch 150B conducting and begin to make piezoelectric element Cpzt discharge.In case second logic-level pulses finishes at the T4 place, input switch 150B cut-off current source 152B.
As mentioned above, starting impulse circuit 138 uses the fixed current sources and with charging and the discharge with control piezoelectric element Cpzt of the transistor of switch mode operation.Shown in Fig. 1 E, based on the circuit 138 in fixed current source produce along with charging and discharge time linear change, the trapezoidal starting impulse signal of [Vpzt (t)=(Io/C) t] for example.This constant edge slope (slew rate) feature is very useful when the drop size resolution ratio of controlling during particularly printing.For example, by changing the pulse width from the logic level signal of logic circuit 132 (Fig. 1 C), the amplitude of Vpzt can accurately be controlled, and this directly controls the size of the ink droplets of being sprayed by the piezoelectricity source electrode.More specifically, move to T by end conversion (logic is high to low) with logic level signal pulse 1
2' (replace T
2) and logic level signal pulse 2 to T
4' (replace T
4), the amplitude of Vpzt reduces and sprays still less ink.Similarly, move to T by end conversion with pulse 1
2" (replace T
2') and logic level signal pulse 2 to T
4" (replace T
4'), the amplitude of Vpzt further reduces and sprays still less ink.
Compare with the starting impulse generator circuit 138 that produces constant edge slope starting impulse based on fixed current, has system 100 restive variable edge slope and drop size resolution ratio when the printing based on the circuit of variable current RC, wherein voltage is along with time index changes, [V=V
HV(1-e
-t/RC), V here
HZBe initial DC source voltage].
Fig. 1 G shows the perspective view of the signal of exemplary ink-jet printing system 100.In some embodiments, controller 102 and/or print head driver 104,106 and 108 can be installed in the ink jet printing module separately 115.Except ink jet printing head 110,112 and 114, printing module 115 can be supported by the support on the printing beam 117 (below ink jet printing module 115/below invisible).Therefore, printing module 115 can be suitable for driving (and approaching) print head 110,112 and 114 and moves.
The overall system operation
With reference to the flow chart of Fig. 2 A, the operation of system starts from step 201.Be in operation, in step 203, beginning and end coordinate Y1 and Y2 that ink-jet printing system 100 receives from workbench controller 126, the beginning edge of first pixel on its expression Y direction on the substrate and the end of last pixel.In an example embodiment, workbench controller 126 can obtain coordinate Y1 and Y2 during homing vector process, and wherein the specific coordinate points of mark can use optical detection apparatus to detect on substrate." side-play amount on the X of " center " position and the Y dimension can be determined based on the detection position of coordinate points with respect to the standard of substrate on the workbench.Determine beginning and end coordinate conversely subsequently by side-play amount.
In step 205, comprise that the order of pattern parameter data sends controller 102 to from main frame 122 subsequently, thereby and send the driving logic circuit 132 of print head driver 104,106 separately and 108 to.As example, the pattern parameter data can be represented the straight line ink droplets in the pixel inking hole, and each ink droplets has the drop size of qualification and with respect to the interval of adjacent drops.
Still with reference to the flow chart of Fig. 2 A, but also with reference to the sequential Figure 200 shown in Fig. 2 B, in step 206, next main frame 122 can send to movement directive 202 workbench controller 126 and to cause workbench controller 126 substrate S is positioned at initial beginning coordinate Y1 place with respect to print head 110,112 and 114.Receiving from the showing on the indication basis that workbench put in place of workbench controller 126, in step 207, workbench controller 126 can be subsequently by statement beginning pulse 204 with via the step-by-step counter pulse 208 initialization printing path of encoder.In step 209, along with workbench moves the distance of substrate scheduled volume along print direction in each step-by-step counter pulse, controller is counted step-by-step counter pulse (n).In some embodiments, but controller 102 lock-on counter pulses 208 (n) to determine the current location of substrate.When controller 102 received beginning pulse 204 and step-by-step counter pulse 208, starting impulse voltage signal 210 can send to each nozzle that is set to straight line (and can be approaching perpendicular to the printing path direction by regulating sabre shape angle) by controller 102 via driver 104,106 and 108.Pattern parameter data in the controller 102 determine whether specific nozzle receives the starting impulse voltage signal that causes nozzle dispense liquid (, " injection ") at it during by ad-hoc location (as step-by-step counter pulse 208 indication) along print direction.In step 211, when arriving the terminal point in printing path, workbench controller 126 can be stated stop pulse 210.In step 213, new movement directive (not shown) can be sent with for subsequently printing path position substrate by main frame 122.Also can use other relation and/or signal.In case finish all printing paths, this method finishes in step 215.
With reference to Fig. 3, provide the vertical view of the example of substrate 300.Specific substrate 300 shown in Fig. 3 is examples of the substrate 300 that uses in the time of can being suitable for making at the same time a plurality of demonstration colour filter.With reference to Fig. 3, substrate 300 comprises 6 independent demonstration objects that are included in as shown in the figure on the substrate 300.Yet, any amount of demonstration object 302 can be set on substrate 300.As shown in Figure 3, substrate 300 can comprise top blank 304, bottom blank 306, left side blank 308 and right side blank 310.Also show the gap 312 between (for example, striding substrate 300 perpendicular to print direction moves horizontally) demonstration object 302 on the directions X.And also show Y direction (for example, vertically go up or down the print direction of mobile substrate 300) and go up the gap 314 that shows between the object 302.Each shows that object 302 can comprise a large amount of display pixels (Fig. 4).
Fig. 4 is for the vertical view of the amplification of the single display pixel 400 that shows object 300 (Fig. 3), and in exemplary embodiment, it comprises two sub-pixels 402 and 404 that separated by electric capacity line 406.In the specific embodiment shown in Fig. 4, each sub-pixel 402 and 404 comprises that respectively in 408,410,412 and 414,416,418, three area of color filter of three area of color filter each is associated with different colour filter.Though Fig. 4 illustrates 3 drop positions 420 in the area of color filter, also can specify the drop position of any suitable quantity.In the exemplary embodiment, for the sub-pixel area of color filter, can specify and form nearly 20 or more drop position.In a plurality of drops position 420 shown in the leftmost colour filter zone 408 of top sub-pixel 402.Each drop position 320 is from the top of top sub-pixel 402 preset distance and each interval at interval, thereby drop position 420 evenly separates each other and with the top and the bottom margin of sub-pixel 402.By arranging drop, can obtain balance and consistent colour filter more with the interval that equates.
Yet, the drop position that also can use other.Have under the situation of different capabilities at two sub-pixels 402 and 404, the drop capacity can differently be regulated between sub-pixel 402 and 404, thereby although difference is arranged on the area, it is substantially the same that the thickness of filling keeps.
As mentioned above, can be stored in pattern parameter data in the driver logic circuit and can be used for controlling drop location on the substrate.The amount of droplets, pixel boundary that the pattern parameter data can comprise drop interval, drop size, every pixel (m) at interval, each shows that the quantity of demonstration object of pixel quantity, each substrate (q) of object (p) and nozzle are to the nozzle deferred message.The correction displacement information also can be used for the misalignment for single-nozzle, and the substrate surface defective waits regulates the drop position.For example, if during calibration process, determined the specific nozzle misalignment, then the expection, calibrating position information by the drop position of all drops of misalignment nozzle ejection (for example can be used for being offset, via changing the starting impulse sequential) afterwards, the ink (at print direction) that nozzle self-consistentency ground deposition is 0.5 micron.
Based on this information, in the exemplary embodiment, controller 102 (and/or main frame 122) can be determined actual physical location for each drop of waiting to be deposited in the sub-pixel area of color filter separately.Controller 102 (and/or main frame 122) is able to programme automatically determining actual separately drop sequential, so as in the sub-pixel area of color filter even distribution drop.
In some cases, because the error (for example, because mobile accuracy or resolution ratio perhaps show displacement errors object between) of workbench 129 (Fig. 1) in moving, the position of drop can be from its desired location skew.Under extreme case, drop can fall into the outside of object pixel zone and become defective.In some embodiments, for fear of such error, can utilize the dynamic adjustment of ink gun position during the ink-jet.For example, can utilize camera or other detector (for example, such as visualization device, checkout gear and/or other similar device) before ink-jet, to check ink gun and/or nozzle location with respect to the substrate pixel.But ink gun and/or nozzle location information feed-in controller 102 (or other controller), and can determine side-play amount for example to proofread and correct, each shows any position error of object.
In at least one embodiment,, in printing (for example, when workbench 129 moves), can regulate ink gun position and/or nozzle startup/injecting time based on fixed side-play amount.For example, suppose that workbench 129 moves along y-axle (for example, with constant rate of speed) direction during ink-jet, the error in the y-of ink gun shaft position can by by the nozzle of ink-jet formerly, in the back or do not spray fully and compensate.Similarly, at the x-direction of principal axis (for example, direction perpendicular to movable workbench) error in the position can (for example compensate by the x-shaft position of regulating ink gun before printing, by, thereby make nozzle correctly be positioned on the location of pixels left with respect to moving direction or move right) with ink gun.Should " dynamically (on thefly) " self compensation mechanism can greatly improve printing precision by the dynamic error in the compensation ink gun position.Usually, the axial location of print head, lateral attitude, highly, spacing (pitch), direction (yaw) but etc. dynamic adjustments (for example, when workbench keeps moving).
The illustrative methods that pattern data uses
Fig. 5 is the flow chart based on the illustrative methods 500 of pattern data print drop of some embodiments according to the present invention.Printing can show the substrate of object or only have on the substrate of single demonstration object and carry out having any amount.
With reference to Fig. 5, show the operation of controller 102.In step 502, the pattern parameter data that are used for substrate 300 can be with the blank coordinate Y1 of initial printing, Y2 enters or be written into controller 102.In another illustrative embodiments, the pattern parameter data can obtain from storage arrangement (not shown) that is arranged in controller 102 inside or the storage arrangement that is positioned at controller 102 outsides.The pattern parameter data can be from any suitable storage medium, such as, but not limited to importing in floppy disk, CD (CD), digital video disk (DVD) or any other appropriate storage medium or being loaded in the controller 102.In another illustrative embodiments, the pattern parameter data can transmission from another computer (for example, main frame 122) that is suitable for storing these data or database, download or upload.
The pattern parameter data can comprise aforesaid any data and/or information, and said and/XOR be used for the concise representation printed patterns about substrate, show object, display pixel, sub-pixel, substrate 300 and/or show length, the substrate 300 on the x-direction of object 302 and/or show the quantity that shows object on the quantity that shows object on length on the y-direction of object 302, any gap on the Y-direction 314 or a plurality of gap, the X-direction, the Y-direction, and/or the data of any out of Memory and/or information.Fig. 6 is the vertical view of substrate, and it shows the following parameter that can be included in the pattern parameter data: drop is (N), the drop (M) of each pixel, the pixel (P) of each demonstration and the demonstration (Q) of each substrate at interval.Should be noted that these parameters alternately use driver logic circuit 132 to be calculated by other relevant parameter that is provided.For example, the pixel quantity of each demonstration can be calculated by the dose known amounts of the demonstration of the pixel of each substrate of dividing and each substrate.
In step 504, the movable workbench encoder is reset to zero and start working when workbench 129 is mobile on the Y-direction.In step 506, controller produces interim counter variable n, m, p and q and it respectively is initialized as 1.Variable n, m, p and q represent the encoder pulse quantity (n) that is write down, the quantity (m) of ink droplet jet, the quantity (p) of pixel printing and the quantity (q) that shows printing respectively.Along with moving and the injection of ink droplet of workbench, the individual count device upgrades to represent how many current printing paths is to have finished.
After initialization, controller guiding workbench 129 moves along the Y-direction.In the exemplary embodiment, the speed that workbench 129 can about 500 mm/second move and separately the nozzle of print head can move with per 25 μ and spray once (hereinafter referred to as " injection frequency ") second.Therefore, in this example, the nozzle of print head can per approximately 12.5 μ m speed once start (bottom line).Each Y-direction workbench encoder 130 sends when the indication workbench is mobile minimum to start distance 12.5 μ m, can set counter n to increase by 1.Should be noted that the minimum when counter increases starts distance certainly according to the speed of table and nozzle starting characteristic, and the specific range of 12.5 μ m only is exemplary.
In step 508, determine that the distance whether counter (n) represents that workbench 129 is moved has arrived drop spacing distance (N).If also do not have, travelling table then, counter (n) increases (in the step 209), and cycle of treatment turns back to and determines to catch 508 subsequently.If counter (n) arrives N, expression workbench 129 has moved the drop spacing distance, then counter (n) resets to 1 in step 511, and in step 512, controller 102 triggers the starting impulse of suitable voltage and amplitude to be injected in the drop of the ink size of indicating in the pattern parameter data, to synthesize simultaneously any adjusting information that provides in look-up table 134.
In step 514, determine whether counter (m) arrives the setting quantity (M) of every pixel drop of representing that current pixel prints fully.If no, this expression needs further drop finishing pixel, and counter m increases by 1 representing that another drop prints in step 515, and cycle of treatment turns back to the step 508 that is used for further ink-jet.If counter (m) arrives M, counter m resets to 1 in step 516, and subsequently before next pixel printing, the movable workbench distance to a declared goal is to draw out at interval in step 518.
In step 520, determine whether counter (p) arrives the setting quantity (P) that every display pixel of printing has been finished in the current demonstration of expression.If no, this expression needs further pixel finishing demonstration, and counter p increases by 1 representing that another pixel finishes in step 521, and cycle of treatment turns back to the step 508 that is used for further ink-jet.If counter (p) arrives P, counter p resets to 1 in step 522, and subsequently in step 524 the movable workbench distance to a declared goal to draw out the gap between the demonstration.
With next resolution levels, in step 526, determine whether counter (q) arrives the setting quantity (Q) that every substrate shows, described quantity (Q) is illustrated in the current printing path and has covered demonstrations all on the substrate.If no, this expression needs further to show finishing the printing path, and counter q increases by 1 representing that another shows by the covering of current printing path in step 527, and cycle of treatment turns back to the step 508 that is used for further ink-jet.If counter (q) arrives Q, counter q resets to 1 in step 528.
In step 530, arrive the terminal point in current printing path.Controller 102 reverses to be used for next printing path of initialization along X-direction mobile printing head and with the data in the look-up table 134.
Carry out extra printing path similarly, up to arriving final printing path, this can be definite when workbench 129 will represent that print head 110,112 and 114 offers controller across the X-positional information of substrate (step 532) on the X-direction.At this moment, may leave enough spaces on the substrate prints the path rather than all prints path (step 534) with holding portion.The pattern parameter data can comprise " mask " information that is used for this situation, and/or it can use the driver logic circuit to be calculated by known parameters.Controller 102 can use mask information to guide one or more print heads 110,112 and 114 not in the printing of one or more positions.By this way, pattern parameter information provides partly printing during final printing path.
Aforementioned specification only discloses specific implementations of the present invention, and the modification that falls into the above the methods and apparatus disclosed in the scope of the invention is apparent for a person skilled in the art.For example, the present invention also can be applicable to formation, polarizer coating and the formation of milimicron particle electronic circuit of wadding.
Therefore, though disclose the present invention, should be appreciated that other embodiment also falls into design of the present invention and the scope that is limited by the accompanying claims in conjunction with the specific embodiment.
Claims (28)
1. one kind is used to make the system that shows object, comprising:
The print controller that comprises at least one driver;
At least one print head that connects with described at least one driver;
The workbench controller that connects with described print controller;
At least one motor that connects with described workbench controller;
At least one encoder that connects with described at least one motor and described workbench controller; And
The main frame that connects with described workbench controller and print controller,
Wherein said main frame is suitable for sending the pattern parameter data to described print controller, and described print controller is suitable for when substrate is responding guiding from the described workbench controller of the order of described main frame by described at least one motor under, on print direction when mobile, the data of pattern parameter shown in the use trigger described at least one print head with in the pixel inking hole of deposit of ink to the described substrate.
2. system according to claim 1 is characterized in that, also comprises real-time controller, and it connects with described controller and described at least one encoder and is suitable for when described substrate is in the printing position enable signal being offered described print controller.
3. system according to claim 1 is characterized in that, described at least one driver comprises the logic circuit that connects with memory and starting impulse generator circuit.
4. system according to claim 3 is characterized in that, described logic circuit also connects with described main frame and described workbench controller.
5. system according to claim 3 is characterized in that, described logic circuit comprises one or more registers that are suitable for storing described pattern parameter data.
6. system according to claim 5 is characterized in that, described logic circuit is suitable for:
A) based on the beginning coordinate that provides in described pattern parameter data, moving and the drop interval information of the described substrate under the described guiding of described workbench controller is identified for starting the sequential of described starting impulse generator circuit; And
B), logic level signal is sent to described starting impulse generator based on the described sequential that is used to start.
7. system according to claim 5 is characterized in that, described logic circuit is suitable for high-ranking officers' positive displacement data and is stored in the memory and based on described correction displacement data and regulates described logic level signal.
8. system according to claim 5 is characterized in that, described pattern parameter data comprise that drop size information and described logic level signal also indicate quantity of ink to be sprayed.
9. system according to claim 8 is characterized in that, described starting impulse generator circuit is based on the work of fixed current source circuit, and described quantity of ink to be sprayed is changed by described logic circuit.
10. device that is used to control ink-jet printing system comprises:
The logic circuit that comprises processor;
The memory that connects with described logic circuit; And
Connect and comprise the starting impulse generator circuit of connector with facility connection print head with described logic circuit,
Wherein said logic circuit is suitable for receiving the pattern parameter data, and described logic circuit also be suitable for when substrate based on described pattern parameter data on print direction when mobile, trigger described print head with in the pixel inking hole of deposit of ink to the described substrate.
11. device according to claim 10 is characterized in that, described logic circuit also connects with the PORT COM that is suitable for being connected to main frame and workbench controller.
12. device according to claim 11 is characterized in that, described logic circuit comprises one or more registers that are suitable for storing described pattern parameter data.
13. device according to claim 12 is characterized in that, described logic circuit is suitable for:
A) based on the beginning coordinate that provides in described pattern parameter data, moving and the drop interval information of the described substrate under the described guiding of described workbench controller is identified for starting the sequential of described starting impulse generator circuit; And
B), logic level signal is sent to described starting impulse generator based on the described sequential that is used to start.
14. device according to claim 13 is characterized in that, described logic circuit is suitable for high-ranking officers' positive displacement data and is stored in the described memory and based on described correction displacement data and regulates described logic level signal.
15. device according to claim 13 is characterized in that, described pattern parameter data comprise that drop size information and described logic level signal also indicate quantity of ink to be sprayed.
16. device according to claim 15 is characterized in that, described starting impulse generator circuit is based on the work of fixed current source circuit, and described quantity of ink to be sprayed is changed by described logic circuit.
17. a method of making ink-jet printing system comprises:
The logic circuit that comprises processor is provided;
Memory is connected with described logic circuit;
The starting impulse generator circuit is connected with described logic circuit;
Connector is connected with described starting impulse generator circuit with facility connection print head; And
Regulate described logic circuit to receive the pattern parameter data, described pattern parameter data are used for when substrate is mobile on print direction, trigger described print head with in the pixel inking hole of deposit of ink to the described substrate.
18. method according to claim 17 is characterized in that, also comprises described logic circuit is connected with the PORT COM that is suitable for being connected to main frame and workbench controller.
19. method according to claim 18 is characterized in that, also comprises described pattern parameter data are stored in the register that comprises in the described logic circuit.
20. method according to claim 19 is characterized in that, also comprises making described logic circuit be suitable for:
A) based on the beginning coordinate that provides in described pattern parameter data, moving and the drop interval information of the described substrate under the described guiding of described workbench controller is identified for starting the sequential of described starting impulse generator circuit; And
B), logic level signal is sent to described starting impulse generator based on the described sequential that is used to start.
21. method according to claim 20 is characterized in that, comprises that also making described logic circuit be suitable for high-ranking officers' positive displacement data is stored in the described memory and based on described correction displacement data and regulates described logic level signal.
22. method according to claim 20 is characterized in that, described pattern parameter data comprise drop size information.
23. method according to claim 22 is characterized in that, also comprises making described starting impulse generator circuit use the fixed current source circuit, and makes described logic circuit change described quantity of ink to be sprayed based on described drop size information.
24. the method for a printing color-filter comprises:
Receive the pattern parameter data;
Based on described pattern parameter data, the starting impulse generator circuit in control fixed current source; And
Use activates print head by the starting impulse of described fixed current source starting impulse generator circuit generation.
25. method according to claim 24, it is characterized in that described pattern parameter data comprise drop size information and wherein control fixed current source starting impulse generator circuit and comprise and will indicate the logic level signal of quantity of ink to be sprayed to send to described fixed current source starting impulse generator circuit.
26. method according to claim 25 is characterized in that, logic level signal is sent to described fixed current source starting impulse generator circuit comprise the logic level signal that sends the amplitude and the time linear change that cause described starting impulse.
27. method according to claim 25 is characterized in that, control fixed current source starting impulse generator circuit comprise with indication when the logic level signal of described print head ejects ink send to described fixed current source starting impulse generator circuit.
28. method according to claim 24 is characterized in that, activates print head and comprises that use has the starting impulse of constant edge slope.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11/466,507 | 2006-08-23 | ||
| US11/466,507 US20070042113A1 (en) | 2004-11-04 | 2006-08-23 | Methods and apparatus for inkjet printing color filters for displays using pattern data |
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| Publication Number | Publication Date |
|---|---|
| CN101152802A true CN101152802A (en) | 2008-04-02 |
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ID=39254780
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA200710146140XA Pending CN101152802A (en) | 2006-08-23 | 2007-08-23 | Methods and apparatus for inkjet printing color filters for displays using pattern data |
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| Country | Link |
|---|---|
| JP (1) | JP2008158490A (en) |
| KR (1) | KR100984569B1 (en) |
| CN (1) | CN101152802A (en) |
| TW (1) | TWI322087B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112941960A (en) * | 2021-01-26 | 2021-06-11 | 中国科学院合肥物质科学研究院 | Preparation method of high-uniformity silver nanowire-based conductive paper |
| CN113370655A (en) * | 2020-02-25 | 2021-09-10 | 松下知识产权经营株式会社 | Method for controlling inkjet printing apparatus and inkjet printing apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| TWI346047B (en) | 2008-05-12 | 2011-08-01 | Au Optronics Corp | Jetting method for color ink printing |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2379411A (en) * | 2001-09-10 | 2003-03-12 | Seiko Epson Corp | Inkjet deposition apparatus |
| JP2006159182A (en) * | 2004-11-04 | 2006-06-22 | Applied Materials Inc | Methods and apparatus for inkjet printing color filters for displays |
| US7625063B2 (en) * | 2004-11-04 | 2009-12-01 | Applied Materials, Inc. | Apparatus and methods for an inkjet head support having an inkjet head capable of independent lateral movement |
-
2007
- 2007-08-20 JP JP2007213251A patent/JP2008158490A/en not_active Withdrawn
- 2007-08-20 TW TW096130764A patent/TWI322087B/en not_active IP Right Cessation
- 2007-08-21 KR KR1020070083882A patent/KR100984569B1/en not_active IP Right Cessation
- 2007-08-23 CN CNA200710146140XA patent/CN101152802A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113370655A (en) * | 2020-02-25 | 2021-09-10 | 松下知识产权经营株式会社 | Method for controlling inkjet printing apparatus and inkjet printing apparatus |
| CN112941960A (en) * | 2021-01-26 | 2021-06-11 | 中国科学院合肥物质科学研究院 | Preparation method of high-uniformity silver nanowire-based conductive paper |
Also Published As
| Publication number | Publication date |
|---|---|
| TW200817194A (en) | 2008-04-16 |
| KR20080019167A (en) | 2008-03-03 |
| KR100984569B1 (en) | 2010-09-30 |
| JP2008158490A (en) | 2008-07-10 |
| TWI322087B (en) | 2010-03-21 |
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