Abstract: The present disclosure discloses a method and an apparatus for controlling image display, which achieve uniformity of image display and remove the image-retention in a compensation manner of high precision, high efficiency and low cost. The method for controlling image display comprises: reading gray scales of all sub-pixels of a current frame image displayed by a display device; determining an ideal luminance corresponding to the gray scale according to a predetermined ideal corresponding relationship between the gray scales and luminance of respective sub-pixels respectively; determining an adjusted gray scale corresponding to the ideal luminance according to the predetermined original corresponding relationship between the gray scales and the luminance of respective sub-pixels respectively; driving the display device to display the current frame image according to the adjusted gray scale.

Abstract: Under a normal environment, when red, green and blue displays are to be performed, the displays are performed singly by a red pixel, a green pixel and a blue pixel respectively, and under a high-illuminance environment, when the red display is to be performed, the display is performed by also shining the pixels other than the red pixel simultaneously, when the green display is to be performed, the display is performed by also shining the pixels other than the green pixel simultaneously, and when the blue display is to be performed, the display is performed by also shining the pixels other than the blue pixel simultaneously, thereby increasing the luminance of a screen. In this case, although the chromaticity of each color is lowered, since the luminance works more predominantly on the image quality under the high-illuminance environment than the chromaticity, image quality degradation does not occur.

Abstract: A projection apparatus includes a light source with light emitting devices of a plurality of colors, a drive unit configured to drive the light emitting devices of the plurality of colors so as to orderly emit single-color light and mixed-color light, an input unit configured to input an image signal, a projection unit configured to form and emit an optical image corresponding to an image signal input by the input unit, using the single-color light and the mixed-color light, and a control unit configured to emit the mixed-color light in a part of a light emission period of the mixed-color light and switch off the light emitting devices during a rest of the part of the light emission period, based on the image signal input by the input unit.

Abstract: A display apparatus may enable a viewer to perceive an image. The viewer has a right eye and a left eye, the right eye having a right pupil, the left eye having a left pupil. The display apparatus includes a display panel including a plurality of subpixels. The display apparatus further includes a position detecting part configured to detect a user location related to the viewer. The display apparatus further includes a light controlling element configured for transmitting light provided from one or more of the subpixels toward one or more of the right eye and the left eye. The display apparatus further includes a display panel driver configured to change subpixel-eye association for at least one of the subpixels in response to a change of the user location detected by the position detecting part.

Abstract: A nail print apparatus, including: a print head which performs printing on a nail region on the basis of image data including a first design and a second design that is a background of the first design; and an image data processing unit which has a second image data processing unit that processes the image data so that the second design covers an entire nail region.

Abstract: The present disclosure relates to methods and apparatuses for printing graphics on absorbent articles. Printing systems according to the present disclosure may include a carrier apparatus that transports individual absorbent articles past a printing station, which prints a custom graphic on the absorbent articles. The carrier apparatus may include a hook member connected with an endless belt. The printing system may also include a pressing apparatus positioned adjacent the endless belt. During operation, an absorbent article may be positioned on a hook member, and the endless belt conveys the absorbent article in the machine direction past the printing station. As the absorbent article advances toward the printing station, the pressing apparatus compresses and flattens the absorbent article against the hook member to help provide a relatively flat, smooth surface on the absorbent article to be printed. The printing station then prints a graphic on the advancing article.

Abstract: A graphic printing machine and method for a card-type storage medium employs a jet printing head and a controller to perform ink jet printing on the medium. The invention is useful for printing plastic or cardboard or paper cards.

Abstract: The advantage of the invention is to provide an inkjet recording method and the like in which an unprinted portion due to a multipath method is not left in a back end portion of a printed image and the value as a printed material is not undermined in a case where a printing operation by a multipath method is temporarily stopped in the middle and the printing operation is resumed after feeding a recording medium. A printing operation is temporarily stopped after conducting a back end portion line formation process for forming a raster line so as to prevent an unprinted portion due to an multipath method from being left in a back end portion of a printed image which has been printed halfway when temporarily stopping the printing operation in the middle.

Abstract: A maintenance method of a droplet ejection apparatus is provided, which droplet ejection apparatus includes: a droplet ejection head including a plurality of head modules, each head module being configured to be replaced independently; and a liquid circulation and supply unit configured to circulate and supply liquid to be ejected from each head module, to each head module. The maintenance method includes circulating and supplying the liquid to the head modules other than the head module that is a replacement target, when replacing the head module.

Abstract: A printing apparatus includes first to n-th (n is an integer equal to or greater than 2) ink tanks in which ink accommodated in an ink pack is filled, slots that respectively correspond to the ink tank, memory units that are packaged together with the ink pack and are respectively installed in the slots, and a processing unit that controls read-out of data from or writing of data to the memory unit. The processing unit updates total ink consumption information on the main body side for each ink color on the basis of the counted ink consumption, and writes the total ink consumption based on the total ink consumption information on the main body side, to the storage device of the memory unit corresponding to the ink color.

Abstract: A printing apparatus includes first to n-th (n is an integer equal to or greater than 2) ink tanks in which ink accommodated in an ink pack is filled, first to n-th slots that correspond to the ink tanks, first to n-th memory units that are packaged together with the ink pack and are respectively installed in the slots, and a processing unit. The processing unit outputs a read-out command in which communication ID information is set, to the storage device included in the memory unit that is installed in the selected slot, determines whether ink color information that is read out and an ink color corresponding to the slot are consistent with each other, and determines that the memory unit is erroneously installed when the read-out ink color information and the ink color corresponding to the slot are inconsistent with each other.

Abstract: A time recorder includes: a housing that has a platen; a printing unit that prints on an object to be printed, the printing unit being disposed within the housing and on the platen; and printing gap adjusters (50a). The printing gap adjusters (50a) include: rotating guide roller fixing gears (500) that are supported by side block frames (202) of the printing unit; a guide roller R disposed at a position eccentrically apart from a rotation axis of the guide roller fixing gears (500); guide portions (60) that are disposed in the housing and abut against the guide roller R in a first direction parallel with a printing direction.

Abstract: To provide an inkjet recording apparatus in a simple configuration that can accurately adjust a gap between a nozzle surface of an inkjet head and a recording medium placed on a feed route with simple operations, it is provided with a printing section having an inkjet head and performing printing on a recording medium, an apparatus main body having a pair of side frames that supports the printing section so as to stand the inkjet head face to face with the recording medium and a medium feed mechanism that feeds the recording medium along a feed route, and a gap adjustment section moving the printing section in parallel with respect to the pair of side frames in a separate direction and adjusting a gap between the nozzle surface of the inkjet head and the recording medium placed on the feed route.

Abstract: According to one example there is provided a method of printing an image on a substrate using a printing system having a printhead.

Abstract: The disclosure relates to a method for depositing films on a substrate which may form part of an LED or other types of display. In one embodiment, the disclosure relates to an apparatus for depositing ink on a substrate. The apparatus includes a chamber for receiving ink; a discharge nozzle having an inlet port and an outlet port, the discharge nozzle receiving a quantity of ink from the chamber at the inlet port and dispensing the quantity of ink from the outlet port; and a dispenser for metering the quantity of ink from the chamber to the inlet port of the discharge nozzle; wherein the chamber receives ink in liquid form having a plurality of suspended particles and the quantity of ink is pulsatingly metered from the chamber to the discharge nozzle; and the discharge nozzle evaporates the carrier liquid and deposits the solid particles on the substrate.

Abstract: An ink jet head according to an embodiment comprises a substrate including a mounting surface and a pressure chamber, a vibration plate including a first surface fixed to the mounting surface and covering the pressure chamber, and a second surface opposite the first surface. The ink jet head further comprises a first electrode on the second surface, a piezoelectric body overlapping the first electrode, a second electrode overlapping the piezoelectric body, and a protective film provided on the second surface. The inkjet head further comprises a nozzle in communication with the pressure chamber and configured to discharge ink, and a drive circuit provided on the mounting surface of the substrate and configured to apply a drive voltage to the first electrode or the second electrode to deform the piezoelectric body and to change a volume of the pressure chamber.

Abstract: A method and a device for imaging and/or varnishing the surfaces of objects or vehicles, etc. includes adapting a time lag between an application of fluid and further treatment thereof, such as drying ink or varnish, to a spreading behavior of the fluid during the application thereof. The fluid may be applied to the surface of the object in sections, firstly drying the fluid in individual sections before applying it to the next section.

Abstract: Embodiments of the invention provide a touch sensor, a manufacturing method thereof and a liquid crystal display having touch panel. The touch sensor comprises a substrate, a touch sensing layer in a first direction, a touch sensing layer in a second direction perpendicular to the first direction, an insulation layer and a metal bridge. The touch sensing layers in the first and second directions are provided on a surface of the substrate, the touch sensing layer in the first direction is discontinuous, and the touching sensing layer in the second direction is continuous. The insulation layer is provided on the substrate, the touch sensing layer in the first direction and the touch sensing layer in the second direction. The metal bridge is provided on the insulation layer and connects with the touch sensing layer in the first direction.

Abstract: A method for aligning multi-channel digital image data for a digital printer having a plurality of printheads is described. A test pattern including test pattern indicia printed using individual printheads is scanned and analyzed to detect locations of the printed test pattern indicia. One of the printheads is designated to be a reference printhead, and one or more of the other printheads are designated to be non-reference printheads. Spatial adjustment parameters are determined for each of the non-reference printheads responsive to the detected test pattern indicia locations. Digital image data for the non-reference printheads is modified by designating an input pixel neighborhood within which an image pixel should be inserted or deleted, comparing the image pixels in the input pixel neighborhood to a plurality of predefined pixel patterns to identify a matching pixel pattern; and determining a modified pixel neighborhood responsive to the matching pixel pattern.

Abstract: A method for aligning multi-channel digital image data for a digital printer having an array of printheads for each of a plurality of channels is described. A test pattern including test pattern indicia printed using individual printheads is scanned and analyzed to detect locations of the printed test pattern indicia. For each array position, one of the printheads is designated to be a reference printhead, and one or more of the other printheads are designated to be non-reference printheads. Spatial adjustment parameters are determined for each of the non-reference printheads responsive to the detected test pattern indicia locations. Digital image data to be printed with the non-reference printheads is modified in accordance with the determined spatial adjustment parameters.

Abstract: An inkjet printer is configured to reduce the settling of magnetic particles in magnetic ink. The inkjet printer is configured to eject magnetic ink and black ink in areas where the corresponding image data only has black ink pixels. The printing of the magnetic ink in the black ink areas helps prevent the magnetic particles in the magnetic ink from settling.

Abstract: An image forming apparatus includes a discharge disabling unit configured to disable a discharge operation of a defective nozzle, which is in a defective discharge state, among a plurality of nozzles configured to discharge liquid droplets to a recording medium, when a value obtained by quantifying a degree of defective state of the defective nozzle is greater than a discharge disable threshold value; a complement unit configured to complement an image defect using two nozzles on either side of the defective nozzle of which discharge operation is disabled; and a threshold value change unit configured to change the discharge disable threshold value depending on a discharge order between the nozzles which complement the image defect and nozzles adjacent to the nozzles which complement the image defect.

Abstract: A liquid ejection apparatus includes a liquid ejection head including a plurality of ejection opening groups each constituted by two or more ejection openings and each forming one pixel by at least two liquid droplets ejected from the two or more ejection openings; a plurality of individual channels respectively connecting the plurality of ejection opening groups to a plurality of pressure chambers; a nozzle plate through which a plurality of nozzle holes extend; and an energy-applying portion applying energy to liquid in the plurality of pressure chambers, and a controller controlling the energy-applying portion. The controller controls the energy-applying portion in such a manner as to meet the following inequations: 0.85Ta?T?0.9Ta or 1.2Ta?T in a case of p/D?1.2, and 0.85Ta?T in a case of p/D>1.2.

Abstract: A liquid ejection apparatus includes a liquid ejection head including a plurality of ejection opening groups each constituted by two or more ejection openings and each forming one pixel by at least two liquid droplets ejected from the two or more ejection openings of a corresponding one of the plurality of ejection opening groups; a plurality of individual channels respectively connecting the plurality of ejection opening groups to a plurality of pressure chambers; and an energy-applying portion applying energy to liquid in the plurality of pressure chambers, and a controller controlling the energy-applying portion. The controller controls the energy-applying portion to form one pixel by using at least a first drive signal whose ejection period is a first ejection period and a second drive signal whose ejection period is a second ejection period different from the first ejection period.

Abstract: An inkjet recording apparatus according to one aspect of the present disclosure includes nozzle, pressuring chambers, piezoelectric element, ambient condition obtaining portion, application portion, and control portion. Control portion causes application portion to output ejection driving-voltage by which piezoelectric element is deformed so as to eject droplets from nozzles in printing period in printing state, and causes application portion to output vibration driving-voltage by which piezoelectric element is vibrated so as to vibrate meniscus in each nozzle in non-printing period between printing periods in printing state.

Abstract: A method for printing an input digital image using and inkjet printer being adapted to print horizontal strips of print image data using one or more print passes. The method includes determining print image data and control channel image data for a particular strip responsive to input code values for corresponding input pixels, the control channel image data providing an indication of the number of print passes that should be used to print the input code values. A number of print passes for the particular strip is determined responsive to the control channel image data, and the inkjet printer is controlled to print the particular strip of print image data using the determined number of print passes.

Abstract: The present invention provides a nano-ranged wide color gamut and environmental-friendly UV inkjet printing system for a hard substrate comprising a carrier, an ink supplier, a printing head and a controller. The carrier receives the hard substrate thereon and the ink supplier includes a container space for containing an ink. The color gamut of the ink comprises basic colors of RYBK. The printing head receives the ink from the ink supplier, and the controller generates a control signal to control the printing head to spray coating the ink onto the surface of the hard substrate directly. The present invention is able to print the ink directly onto the surface of the hard substrate while utilizing the UV light for curing the ink into solid. The ink exhibits the physical properties of low surface tension, nano particles, environmental friendly, UV excitable, short duration of drying, great adhesiveness and high transparency.

Abstract: In a case where a first image is printed on a recording medium based on first dot data using the first inkjet recording device and a second image is printed based on second dot data on another recording medium using the second inkjet recording device in which ejected ink drops land onto a recording medium with a small degree of dispersion in a main scanning direction compared to the first inkjet recording device, the first dot data is converted to generate the second dot data such that data of a large dot and a medium dot is converted so as to form a plurality of dots having sizes smaller than the dot size at predetermined intervals between the dots in the main scanning direction in place of the large dot and the medium dot.

Abstract: An inkjet recording apparatus configured to record images on both sides of a sheet includes a corrugate mechanism configured to form a sheet into a continuous corrugated shaped in a direction perpendicular to a conveyance direction and parallel to a recording surface of the sheet.

Abstract: It is provided with an apparatus main body that has a medium feed mechanism feeding a recording medium along a feed route, a printing section that has an inkjet head, which performs printing on the recording medium, and has a movable and adjustable configuration in a separate direction with respect to the feed route in response to a thickness of recording mediums, and a medium detection section that detects a lifting on the recording medium from the feed route by detection light emitted along the surface of the recording medium, which is feeding. The medium detection section is attached in the printing section side.

Abstract: The recording device includes recording unit for recording on a recording medium, conveying unit for conveying a recording medium upstream of the recording unit in the downstream direction, and an ejection unit for ejecting the recording medium which is downstream of the recording unit and which has undergone recording. The ejection unit has a drive roller and a driven roller urged toward the drive roller, the driven roller is capable of switching between a state of being urged by a first load and a state of being urged by a second load that is lower than the first load, the driven roller is set to the first-load selected state at least during rear end recording in which recording is performed on a rear end region of the recording medium, and the driven roller is set to the second-load selected state during ejection when the recording medium is ejected.

Abstract: A pattern printing apparatus comprising an ink output section including a nozzle that drops ink and a heating section that heats a preheating target region; a driving section that moves the substrate relative to the ink output section; and a control section that controls the driving section. The control section causes the substrate to move relative to the ink output section such that the preheating target region is positioned in a progression path of the drawing target region and causes a pattern formed by the ink to be drawn, and when switching an extension direction of the pattern being drawn, the control section causes the preheating target region to move to an end portion of the pattern drawn before the switching and causing the preheating target region to be heated.

Abstract: There is provided a control device configured to control a drive system including a motor and a driven object. The control device includes a controller configured to compute an operation amount, to measure a control amount of the controlled object, to input a measurement signal of the control amount to an inverse model of a model indicating input-output characteristics of the controlled object, and to generate a differential signal between an output of the inverse model and the operation amount; and a filter configured to filter the generated differential signal, and which has frequency characteristics of attenuating a vibrational component which is developed due to mechanical characteristics of the controlled object, from the differential signal. The controller is configured to make a judgment of whether or not a defect has occurred in the controlled object, based on an output of the filter.

Abstract: An inkjet printing system including an inkjet printer having a printhead and an inkjet ink in an ink tank supplying the inkjet ink to the printhead, wherein the ink tank includes a free ink compartment and a capillary media compartment vented to the atmosphere and in fluid communication with ink in the free ink compartment, and wherein the inkjet ink includes water, a self-dispersing carbon black pigment having greater than 11 weight % volatile surface functional groups, and a surfactant at a concentration of 0.10 weight percent or less, and having a static surface tension of 37.5 dynes/cm or less at 25° C. The system provides high print density and text sharpness when printed onto an ink receiving medium, and provides good performance in a bubbler-type ink tank which reduces the amount of ink trapped in the ink tank.

Abstract: A water-based ink of the present invention includes water, a plurality of different water-soluble organic solvents, and a water-insoluble coloring material, wherein the water-soluble organic solvents consist of a good solvent to the water-insoluble coloring material and a poor solvent to the water-insoluble coloring material, and the total amount (% by mass) of the good solvents in the ink is represented by A and the total amount (% by mass) of the poor solvent in the ink is represented by B, the ratio of A to B ranges from 10:5 to 10:30 both inclusive, and when the respective Ka values of the above water-soluble organic solvents are determined by the Bristow method and compared with each other, a water-soluble organic solvent having the largest Ka value is the poor solvent. The pigment ink has a sufficiently large area factor even with a small amount of ink.

Abstract: A liquid ejecting apparatus includes a pressure generation unit that causes a liquid to be ejected from a nozzle opening that communicates with a flow channel and a liquid holding unit that supplies a liquid to the flow channel, and the pressure generation unit performs microvibration driving when the liquid holding unit is replaced.

Abstract: A recording apparatus includes: a recording head that discharges a recording ink and an undercoating ink on a recording medium; a driving section that drives at least one of the recording medium and the recording head so that the recording medium and the recording head are relatively scanned several times in one direction; and a control section that causes an undercoating layer with the undercoating ink on a predetermined area of the recording medium and a recording layer with the recording ink to be laminated by the recording head and the driving section, and simultaneously allows that the number of the scannings in a case where the undercoating ink is discharged with respect to the predetermined area is larger than the number of the scannings in a case where the recording ink is discharged with respect to the predetermined area.

Abstract: A liquid ejection apparatus includes: a head having an ejection face; a capping mechanism including: a separator having a lip member enclosing the head; a facing member facing the ejection face to form an ejection space; and a moving mechanism for moving the lip member between a contact position and a distant position; and a humidifying mechanism including: a humid air producer; a first projecting portion extending along a first side face of the head and extending in a direction away from the first side face; a supply opening defined by the first projecting portion and the separator, for supplying humid air into the ejection space; and an air discharger disposed on an opposite side of the ejection face from the supply opening and configured to discharge air from the ejection space. At least one cutout is formed in an edge portion of the first projecting portion.

Abstract: A liquid ejecting head includes: a head casing including a plurality of block-shaped portions and a plurality of plate-shaped portions, the plate-shaped portions including a first plate-shaped portion and a second plate-shaped portion which are staggered, the first plate-shaped portion arranged next to both the first and second block-shaped portions, the second plate-shaped portion arranged next to both the first and second block-shaped portions; a plurality of flow channel units, each of which is fixed on a surface of corresponding one of the block-shaped portions, the flow channel units including: a first flow channel unit that includes a first nozzle plate; and a second flow channel unit that includes a second nozzle plate, the first and second nozzle plates which are staggered; and a plurality of drive units configured to eject liquid from the flow channel units.

Abstract: An inkjet printer includes an inkjet printhead including nozzles disposed in a printhead face; a cap including: a base; and a sealing face for sealing around the printhead face, wherein suction is generated at the printhead face for priming the nozzles when the base is moved from a first position to a second position, wherein the first position is located a smaller distance from the sealing face than the second position; and a valve having an open position and a closed position, wherein the valve is configured to be in the open position when the base of the cap is moved from the second position to the first position for relieving excess pressure in the cap.

Abstract: A nozzle cleaning mechanism of an inkjet printing device includes an ink pump, plural ducts, and a switching module. The ink pump is used for generating a suction force. The plural ducts are connected with the ink pump and corresponding plural print heads. The switching module is used for controlling open/close statues of the plural ducts. For cleaning a first nozzle of a first print head by the nozzle cleaning mechanism, the first duct is corresponding to the first print head is controlled to be in the open status by the switching module. Consequently, the first nozzle is cleaned in response to the suction force. At the same time, the other ducts are in the close status.

Abstract: An image forming apparatus includes an image forming part including a recording head to form an image on a recording medium, a conveyance mechanism disposed opposite the image forming part to convey the recording medium, and a cover closably openable relative to a body of the image forming apparatus and disposed opposite the conveyance mechanism with the image forming part interposed therebetween. The recording head is detachably attachable to the cover and is configured to move away from the conveyance mechanism when the cover is opened.

Abstract: To provide a belt cleaning device and the like by which a more compact apparatus overall can be configured without compromising the ability to replace a secondary wiping member or the like, the invention is provided with a wiper which is provided on an inner side of a cleaning vessel and further downstream than a rotating brush in a direction of travel of a conveyance belt, and wipes off in a relative fashion a cleaning solution that has attached to the conveyance belt. The wiper includes a primary wiping blade and a secondary wiping blade which are in contact with the surface of the conveyance belt, and a primary fixation plate and a secondary fixation plate which are attached to the inner side of the cleaning vessel and to which the primary wiping blade and the secondary wiping blade, respectively, are fixed.

Abstract: An image forming apparatus includes a plurality of recording heads, a plurality of head holders to hold the recording heads, a guide member extending in a main scanning direction, a carriage movable in the main scanning direction along the guide member to hold the head holders, a reference member provided to the carriage and extending in the same direction as the guide member extends, an intermediate holder disposed between the carriage and the head holders and supported by the carriage with the reference member and at least two sub-reference portions, an adjustment member provided to at least one of the two sub-reference portions to displace the one of the two sub-reference portions relative to the carriage, and a contact portion provided to each of the head holders to contact against the intermediate holder in a direction perpendicular to the direction in which the reference member extends.

Abstract: Provided are a large-area nano-scale active printing device, a fabricating method of the same, and a printing method using the same. The printing device may include a substrate, first interconnection lines extending along a first direction, on the substrate, an interlayered dielectric layer provided on the first interconnection lines to have holes partially exposing the first interconnection lines, second interconnection lines provided adjacent to the holes in the interlayered dielectric layer to cross the first interconnection lines, and wedge-shaped electrodes provided at intersections with the first and second interconnection lines and connected to the first interconnection lines. The wedge-shaped electrodes protrude upward at centers of the holes.

Abstract: A liquid jetting apparatus includes: a channel unit formed with a plurality of nozzles and a plurality of liquid channels communicating with the nozzles; an actuator including a plurality of drive sections, which are provided to correspond to the nozzles, include a plurality of connecting terminals, and are configured to apply jetting energy to a liquid in the liquid channels; and a flexible wiring member including a plurality of connecting portions joined to the plurality of connecting terminals of the actuator and a plurality of wires connected to the connecting portions. The wiring member includes a protrusion formed by bending a portion, different from a portion formed with the connecting portions, at which at least a part of the wires are formed, to project toward a side opposite to a connecting surface for connecting with the actuator.

Abstract: A liquid droplet jetting apparatus configured to jet liquid droplets, includes: a channel structure; an energy applying device including a plurality of first contact points; a wiring board arranged to face the surface of the energy applying device and connected to the energy applying device. The wiring board includes second contact points electrically connected to the first contact points, respectively and signal wiring lines connected to the second contact points, respectively. Further, the liquid droplet jetting apparatus includes a sealing material arranged, between the wiring board and the energy applying device, to surround at least a part of an area in which the first and second contact points are arranged, and a recess-protrusion portion formed in an area, of the wiring board, which is positioned between the sealing material and the second contact points, and which is other than an area in which the second contact points are arranged.

Abstract: An inkjet ink composition includes (component A) C.I. Pigment Yellow 180, (component B) a fatty acid amide compound, and (component C) a high molecular weight dispersant. The method of producing an inkjet ink composition includes preliminary mixing (component A) C.I. Pigment Yellow 180 and (component B) a fatty acid amide compound to obtain a mixture, and mixing the mixture and (component C) a high molecular weight dispersant.

Abstract: A liquid discharge head includes a first unit configured to supply power, and a second unit including an input unit to which the power is input, a plurality of heaters connected to the input unit via a common power source line and configured to discharge liquid, an energization unit configured to energize the plurality of heaters, and a selection unit configured to select a target heater from the heaters for discharging liquid to be energized in turn by the energization unit for a period corresponding to a time interval at which liquid is discharged, wherein the selection unit further selects non-target heaters from the heaters to be energized different from the heater targeted for use for discharging liquid before and after the target heater is energized.

Abstract: A liquid jetting apparatus includes a channel unit in which a liquid channel including a nozzle for jetting a liquid is formed, and a piezoelectric actuator provided on the channel unit and configured to apply jetting energy to the liquid inside the liquid channel. The piezoelectric actuator has a piezoelectric element and a wiring substrate in which a first electrode and a wire electrically connected to the first electrode are formed and which is joined to one surface of the piezoelectric element. The first electrode is configured to make contact with the piezoelectric element.