WO2007132727A1 - Procédé et appareil permettant de fabriquer un filtre coloré - Google Patents

Procédé et appareil permettant de fabriquer un filtre coloré Download PDF

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Publication number
WO2007132727A1
WO2007132727A1 PCT/JP2007/059653 JP2007059653W WO2007132727A1 WO 2007132727 A1 WO2007132727 A1 WO 2007132727A1 JP 2007059653 W JP2007059653 W JP 2007059653W WO 2007132727 A1 WO2007132727 A1 WO 2007132727A1
Authority
WO
WIPO (PCT)
Prior art keywords
glass substrate
inkjet
color filter
pixel
color material
Prior art date
Application number
PCT/JP2007/059653
Other languages
English (en)
Japanese (ja)
Inventor
Shigeru Higashino
Toshio Yasuda
Shinya Izumida
Junichi Uehara
Takashi Iwade
Original Assignee
Toray Engineering Co., Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Toray Engineering Co., Ltd. filed Critical Toray Engineering Co., Ltd.
Priority to CN2007800179560A priority Critical patent/CN101449186B/zh
Priority to JP2008515510A priority patent/JP5243954B2/ja
Publication of WO2007132727A1 publication Critical patent/WO2007132727A1/fr
Priority to KR1020087030392A priority patent/KR101214352B1/ko

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/20—Filters
    • G02B5/201—Filters in the form of arrays
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/20—Filters
    • G02B5/22—Absorbing filters
    • 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
    • G02F1/1303—Apparatus specially adapted to the manufacture of LCDs
    • 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
    • G02F1/133512—Light shielding layers, e.g. black matrix
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2202/00—Embodiments of or processes related to ink-jet or thermal heads
    • B41J2202/01—Embodiments of or processes related to ink-jet heads
    • B41J2202/09—Ink jet technology used for manufacturing optical filters

Definitions

  • the present invention relates to a method and an apparatus for manufacturing a color filter on a glass substrate using an ink jet nozzle.
  • Patent Document 1 a method for producing a color filter on a glass substrate using an ink jet nozzle has been proposed.
  • a transparent colorant-receiving layer is provided on a transparent substrate, and regions that should be between pixels of different colors are made non-colored regions having color repellent properties and should have the same color.
  • the color filter is manufactured by coloring the plurality of pixel portions that should have the same color, including the inter-pixel region, by adding a coloring material without any breaks.
  • an inkjet head is driven in a first direction by a first moving mechanism, and a color filter substrate is placed by a second moving mechanism.
  • the mounting table is moved in a second direction different from the first direction, and the first moving mechanism is moved along the column of nozzle force S filter elements so that the ink droplets discharged from the nozzles are discharged.
  • Patent Document 1 JP-A-9 68611
  • Patent Document 2 Japanese Patent Laid-Open No. 10-260307
  • the entire screen is drawn by performing main scanning in a straight line in parallel so that the pixel portions to be colored in the same color are arranged in the same direction as the main scanning direction. Since the pixel arrangement is designed in this way, when the color filter and the glass substrate are enlarged, the color material discharged from the inkjet nozzle is applied to the center of the pixel area over the entire main scanning range. It is difficult to position, and in fact, the desired color material is not applied to some pixel areas, resulting in a high possibility of producing defective products. There is.
  • the present invention has been made in view of the above-described problems, and a color material discharged from an inkjet nozzle is disposed at the center of a pixel region regardless of the size of a glass substrate regardless of the screen size. It is an object of the present invention to provide a color filter manufacturing method and apparatus capable of being applied to the surface.
  • the ink jet head bar in which a plurality of ink jet heads each having a plurality of ink jet nozzles are arranged and the glass substrate on which the black matrix is formed are relatively moved.
  • a direction parallel to the longitudinal direction of the inkjet head bar is set to the longitudinal direction of the pixels, and the color material for each inkjet nozzle
  • ejection / non-ejection is set in advance, and ejection of the color material of the inkjet nozzle is controlled based on the relative position information of the glass substrate with respect to the ink jet nozzle and the setting information.
  • the ink-jet head bar in which a plurality of ink-jet heads each having a plurality of ink-jet nozzles are arranged and the glass substrate on which the black matrix is formed are relatively moved.
  • the direction parallel to the longitudinal direction of the inkjet head bar is set as the arrangement direction of pixels of the same color, and the color for each inkjet nozzle is set.
  • Material discharge Z is a method in which non-discharge Z is set in advance, and discharge of the color material of the ink jet nozzle is controlled based on the relative position information of the glass substrate with respect to the ink jet nozzle and the setting information.
  • the color filter manufacturing method according to claim 3 is a method in which the discharge / non-discharge setting is performed based on coordinates in the relative movement direction of the glass substrate.
  • the number N of inkjet nozzles facing one pixel is N.
  • the number of excess nozzles n, the amount Q per droplet of ink jet nozzle, Q, the number of ejections M within the pixel in the relative movement direction, and the amount V of color material applied to each pixel V It is the method which has.
  • the color filter manufacturing method according to claim 5 is a method in which the setting of ejection / non-ejection is performed based on coordinates in a longitudinal direction of the pixel of the glass substrate.
  • the color filter manufacturing method according to claim 6 is a method of moving the ink jet head bar (5) in the longitudinal direction every time the relative movement is finished, and the amount of movement in the longitudinal direction is the longitudinal direction. This is a value obtained by adding the amount of movement in which the color material application areas before and after the movement of each other do not overlap each other and the longitudinal pitch of the pixels.
  • the color filter manufacturing method according to claim 7 is a method of changing the discharge / non-discharge setting of the color material for each ink jet nozzle (52) for each relative movement.
  • the color filter manufacturing apparatus is a glass substrate having a support member for supporting an ink jet head bar in which a plurality of ink jet heads each having a plurality of ink jet nozzles are arranged, and a black matrix formed on the surface.
  • a suction table for sucking and holding, a first moving means for relatively moving the ink jet head bar and the glass substrate while maintaining a predetermined gap, and the inkjet head bar and the glass substrate.
  • a color filter manufacturing apparatus comprising: a second moving means for moving in a direction perpendicular to the moving direction by the moving means; and a first storage means for storing the dimension data by inputting the dimensions of the glass substrate and the ink jet nozzle.
  • the apparatus includes a detection unit that detects a relative position between the glass substrate and the inkjet bar, and a discharge control unit that controls the discharge of the color material for each inkjet nozzle based on the detected relative position.
  • the coating region of the inkjet head bar in the direction orthogonal to the moving direction by the first moving means is orthogonal to the moving direction of the glass substrate by the first moving means. It is set larger than the coating area in the direction.
  • the color filter manufacturing apparatus wherein the glass substrate pixel in the relative movement direction and the positional information of the inkjet nozzle are input, and the movement direction of the glass substrate and the inkjet head bar by the first moving means.
  • the first calculation means for calculating / judging the discharge / non-discharge of the color material of each inkjet nozzle for each relative position in the first calculation means It further includes second storage means for storing the calculation / judgment result.
  • the color filter manufacturing apparatus is orthogonal to the movement direction of each inkjet nozzle by the first moving means, based on the input glass substrate pixel and the inkjet nozzle position information in the relative movement direction.
  • the image processing apparatus further includes second calculation means for calculating / determining discharge / non-discharge of the color material in the direction and third storage means for storing a calculation / determination result by the second calculation means.
  • the color material discharged from the ink jet nozzle can be applied to a portion to be applied in a predetermined pixel region. In other words, it is possible to prevent the color material from being applied to the pixel to which other color material is to be applied and the black matrix around the pixel.
  • the color material discharged from the ink jet nozzle can be applied to a place where a predetermined pixel region is to be applied. In other words, it is possible to prevent the color material from being applied to the pixel to which other color material is to be applied and the black matrix around the pixel.
  • the color material discharged from the ink jet nozzle is substantially the center of the pixel width in the application direction of the predetermined pixel region in the relative movement direction of the ink jet head bar and the glass substrate. Can be applied.
  • the ink jet nozzles to be ejected can be selected and combined, and the coating unevenness can be dispersed.
  • the color material discharged from the inkjet nozzle is applied to a predetermined position in a direction orthogonal to the relative movement between the inkjet head bar and the glass substrate in the pixel region. be able to. In other words, it is possible to prevent the color material from being applied to the boundary between adjacent pixel regions of the same color, that is, the black matrix.
  • the color filter manufacturing method according to claim 6 can achieve uniform application of the color material in the pixel region by changing the application position of the color material by the inkjet nozzle over the pixel region. Yes, and by changing the combination of the pixel area and the nose hole, Color unevenness due to variations in ejection from the nozzle holes can be suppressed.
  • the relative position between the ink jet head bar and the glass substrate is changed for each relative movement, and the color material is applied to a desired position in the pixel region. it can.
  • the color filter manufacturing apparatus can apply the color material discharged from the ink jet nozzle to the central portion of the pixel region regardless of the size of the glass substrate regardless of the screen size.
  • the color filter manufacturing apparatus applies the color material to all the pixel regions even when the inkjet head bar is moved in a direction orthogonal to the relative movement with the glass substrate. Can do.
  • the color filter manufacturing apparatus can apply the color material only to a predetermined pixel region in the application direction regardless of the size of the glass substrate regardless of the size of the glass substrate.
  • the color filter manufacturing apparatus avoids a predetermined non-application area in a direction orthogonal to the application direction, regardless of the size of the glass substrate, regardless of the screen size, and only the predetermined pixel area.
  • a color material can be applied to the surface.
  • FIG. 1 is a perspective view showing an embodiment of a color filter manufacturing apparatus of the present invention.
  • This color filter manufacturing apparatus supports a suction table 3, a coating gantry 4, a camera gantry 6 and the like on a machine base 1.
  • the suction table 3 holds the glass substrate 2 by suction.
  • the suction table 3 is rotationally driven in the ⁇ direction by a drive mechanism and a guide mechanism (not shown). Driven in the Y direction.
  • the application gantry 4 holds the inkjet head bar 5, and is driven in the X direction by a drive mechanism and a guide mechanism (not shown) in order to apply a color material to the glass substrate 2.
  • the head bar 5 is driven in the Z direction and the Y direction by a drive mechanism and a guide mechanism (not shown).
  • the camera gantry 6 holds an alignment camera 7, 8 for alignment of the glass substrate 2 and a scan camera 9 for detecting the impact mark of the color material in the pixel region of the glass substrate 2. For alignment and pixel detection, it is driven in the X direction by a drive mechanism and guide mechanism (not shown). Further, the alignment cameras 7 and 8 and the scan camera 9 are driven in the Y direction by a drive mechanism and a guide mechanism (not shown).
  • the alignment cameras 7 and 8 detect marks (not shown) on the glass substrate 2, rotate the suction table 3 based on the mark detection results by the alignment cameras 7 and 8, and the Z or Y direction. It is possible to achieve the alignment S of the glass substrate 2 by moving it to the position S.
  • X and Y represent directions orthogonal to each other set to define a plane parallel to the upper surface of the glass substrate 2 held by suction by the suction table 3, and Z is defined by X and Y. This represents the direction perpendicular to the flat surface.
  • FIG. 2 is a schematic view showing the configuration of the inkjet head bar 5.
  • the inkjet head bar 5 is formed by aligning a plurality of inkjet heads 51, and each inkjet head 51 is formed by aligning a plurality of inkjet nozzles 52.
  • the alignment of the plurality of inkjet heads 51 is set such that the intervals in the X direction and the Y direction of all the ink jet nozzles 52 are predetermined intervals.
  • the inkjet nozzles 52 are arranged in an oblique direction with a predetermined number as a unit, the inkjet nozzles 52 are sequentially operated while the coating gantry 4 is driven in the X direction, whereby the inkjet nozzle 52 is moved in the Y direction. Color material can be applied in a linear alignment.
  • the inkjet head bar 5 shown in FIG. 2 is for applying one of red (R), green (G), and blue (B) color materials, and is not particularly shown. Inkjet head bars are also provided for applying other color materials.
  • the inkjet head bar 5 for red (R), green (G), and blue (B) color materials May be lined up.
  • an inkjet head bar that discharges one color material is provided.
  • FIG. 8 is a view showing an example of the arrangement of the inkjet nozzles 52.
  • Fig. 8 shows an ink jet nodule determined by the nozzle lj and the nozzle number, where P is the ink jet nozzle pitch in the Y direction, and L1 to L5 are the ink jet nose row application direction intervals.
  • FIG. 6 is a flowchart for explaining the color filter manufacturing process.
  • step SP1 After the glass substrate 2 is loaded onto the suction table 3 by a loading robot (not shown) in step SP1, the rough positioning of the glass substrate 2 is achieved by the outer shape regulating means (not shown) in step SP2. To do.
  • step SP3 the glass substrate 2 is sucked by the suction table 3, and then the camera gantry 6 is moved forward in step SP4.
  • step SP5 the alignment mark of the glass substrate 2 is detected by the alignment cameras 7 and 8. Alignment of the glass substrate 2 is achieved by positioning in the Y direction and ⁇ direction, and the camera gantry 6 is moved back in step SP6.
  • step SP7 the application gantry 4 is moved forward / backward, and the X coordinate value is output.
  • step SP8 it is determined whether or not the application has been performed to the end based on the X coordinate value. To do.
  • step SP16 the position information (coordinate values) of the holes of the ink jet nozzle 52 is input, and in step SP17, the position information (coordinate values) of all the pixels on the glass substrate 2 is input.
  • step SP18 input other parameters (for example, offset values determined in consideration of the discharge speed of the color material, relative movement speed, control system delay, etc.).
  • step SP19 the data table is calculated, and in step SP20, the calculation result is stored in the discharge data table.
  • FIG. 7 is a diagram showing an example of a discharge data table, in which the number of application strokes, application direction pixel numbers, application direction pixel positions, nozzle rows, application gantry X coordinate values, and discharge patterns for all nozzles are set.
  • X0 is the initial movement amount
  • Pg is the pixel pitch in the Y direction
  • L :! To Ln are intervals in the nose row application direction
  • m is a pixel number in the application direction.
  • the initial movement amount X 0 and the pixel pitch Pg are shown in FIG. Figure 3 shows a state where only the red (R) color material is applied, and the distance to the first pixel in the X direction is the initial movement amount X0, and the red (R) color in the X direction.
  • the interval between the pixels to which the material is applied is the pixel pitch Pg.
  • step SP8 If it is determined in step SP8 that the application has not been performed to the end, in step SP13, the X coordinate output value of the application gantry 4 is compared with the discharge data table, and step SP14 In step S15, it is determined whether or not the X coordinate value matches the ejection data. If they match, in step SP15, the ink jet nozzle 52 is operated to eject ink.
  • FIG. 5 is a schematic diagram for explaining the above processing.
  • the pixel area to be applied can be reduced.
  • Apply ink Specifically, the color material is applied while moving the inkjet nozzle 52 relative to the glass substrate 2, so the discharge speed of the color material, relative movement speed, control system delay, etc. are taken into consideration.
  • the inkjet nozzle 52 for discharging is controlled in consideration of the offset value determined in this way.
  • FIG. 4 is a schematic diagram illustrating control of the inkjet nozzle 52 in the Y direction. This process is not shown in the flowchart, but is shown in FIG. At least a part of force is applied to the Y coordinate range that represents the width of the black matrix extending in the X direction on the glass substrate 2.
  • the inkjet nozzle 52 that does not operate is not operated, and the entire Y coordinate range of the pixel area to be coated is Ink is applied to the pixel area to be applied by operating the ink jet nozzle 52 to enter for ejection.
  • step SP 14 If it is determined in step SP 14 that the X coordinate value and the discharge data do not match, or if the process of step SP15 is performed, the process of step SP7 is performed again.
  • step SP8 If it is determined in step SP8 that the application has been performed to the end, it is determined in step SP9 whether or not a predetermined number of times of application has been performed.
  • step SP9 If it is determined in step SP9 that the number of coatings has not reached the predetermined number, the inkjet head bar 5 is moved in the Y direction, and the process of step SP7 is performed again.
  • the movement distance in the ⁇ ⁇ direction may be a distance determined by the number of droplets of color material applied to one pixel region, for example, but the pixel pitch in the ⁇ direction is relative to this distance. It may be a distance obtained by adding an integer multiple. In the latter case, since the ink jet nozzles eject ink to different pixels, even if there is a variation in the size of the landing marks for each inkjet nozzle, it can be averaged as a whole.
  • the application area of the ink jet head bar 5 is set to be larger than the application area of the glass substrate 2, even if the inkjet head bar 5 is moved as in the latter case, all the pixels are aligned without any problem. Material can be applied.
  • step SP9 If it is determined in step SP9 that the coating has been performed a predetermined number of times, the coating process is terminated in step SP10, and in step SP11, the glass substrate 2 is unloaded by an unillustrated unloading outlet bot or the like. Then, the series of processing ends.
  • the camera gantry 6 is moved forward to detect the mark on the glass substrate 2, and the suction table 3 is operated in accordance with the detection result. Achieve alignment of 2. Then move camera gantry 6 back.
  • the coating gantry 4 is moved forward to perform the first outbound coating.
  • the coating gantry 4 is moved backward in a slightly moving direction to perform the first return coating, and during this time, the camera gantry 6 is moved forward to scan the camera.
  • the second outward coating is performed by moving the coating gantry 4 in a state of being slightly moved in the heel direction.
  • the second return coating is performed by moving the coating gantry 4 backward in a state of being slightly moved in the heel direction.
  • the color material adheres at an interval equal to the interval between the ink jet nozzles 52, so that the color material is not continuously applied.
  • the operation timing of the inkjet nozzle 52 may be controlled while the inkjet head bar 5 is relatively moved, so that the black matrix 21 formed on the glass substrate 2 can be controlled.
  • a color material can be reliably applied in the corresponding pixel region 22.
  • the pitch of inkjet nozzle 52 is 80 ⁇ m
  • the pixel size is 70 to: 100 ⁇ m X 200 to 300 ⁇ m
  • the width of the black matrix is 30 ⁇ m
  • the inkjet nozzle When applying a color material at a pitch of 300 ⁇ m ⁇ (70 ⁇ m + 30 zm) X 3 ⁇ when the discharge cycle of 52 is 10 kHz or higher, the relative scanning speed should be 210 mm / s. All ink-jet nozzles 52 can be driven at 10 kHz to apply color material. Also, if the pixel size changes, it can be easily dealt with by adjusting the scan speed.
  • the pixel size in the direction orthogonal to the relative movement direction of the inkjet head bar 5 is 200 to 300 ⁇ m, ensuring a sufficiently large margin for the droplets of color material ejected from the inkjet nozzle 52. can do.
  • the pixel size in the relative movement direction of the inkjet head bar 5 is 70 to 100 ⁇ m, and the inkjet nozzle 52 operates with a force that reduces the margin for the color material droplets ejected from the ink jet nozzle 52.
  • the timing to be controlled is accurately controlled. As a result, the color material can be reliably applied in the corresponding pixel region 22 of the black matrix 21 formed on the glass substrate 2.
  • the application gantry 4 is moved in the X direction with respect to the suction table 2.
  • the application gantry 4 can be fixed and the suction table 3 can be moved.
  • one side of the suction table 3 is larger than the longer side of the glass substrate 2. Regardless of the state in which the glass substrate 2 is loaded, the glass substrate 2 is securely attached to the suction table 3. Can be made.
  • the number N of inkjet nozzles 52 facing one pixel, the number n of surplus nozzles, the amount Q per droplet of the inkjet nozzle 52, and the inside of the pixel in the relative movement direction It is preferable that the number M of ejections and the amount V of color material applied to one pixel have the relationship of number 1.
  • FIG. 9 schematically shows the relationship between the pixel region and the droplet.
  • the inner dimensions of the pixel are represented by a and b
  • the application area within the pixel is represented by c and d
  • the number of droplets in the relative movement direction is represented by M.
  • the number of ink jet nozzles 52 facing one pixel is represented by N.
  • the application unevenness in the application direction can be dispersed,
  • the coating unevenness can be conspicuous.
  • the surplus nozzle number n satisfying the in-pixel coating amount is expressed by substituting a specific numerical value for Equation 1.
  • the number of IJ nozzles n is 4 or less.
  • the number i of combinations of inkjet nozzles 52 is 495.
  • the coating unevenness is dispersed by applying the color material (selecting the discharge state) using the ink jet nozzle 52 of 495 or less combinations (for example, 50 combinations). It was possible to make the coating unevenness conspicuous.
  • FIG. 1 is a perspective view showing an embodiment of a color filter manufacturing apparatus according to the present invention.
  • FIG. 2 is a schematic view showing a configuration of an inkjet head bar.
  • FIG. 3 is a schematic view showing a state where a color material is applied to an R pixel region.
  • FIG. 4 is a schematic diagram for explaining control of an inkjet nozzle in the Y direction.
  • FIG. 5 is a schematic diagram for explaining control of inkjet nozzles in the heel direction.
  • FIG. 6 is a flowchart illustrating a color filter manufacturing process.
  • FIG. 7 is a diagram showing an example of a discharge data table.
  • FIG. 8 is a diagram showing an example of an inkjet nozzle arrangement.
  • FIG. 9 is a diagram schematically showing a relationship between a pixel region and a droplet.

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Optical Filters (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Coating Apparatus (AREA)
  • Ink Jet (AREA)

Abstract

Le but de l'invention est de permettre l'application d'une matière colorante libérée par une buse à jet d'encre sur la partie centrale d'une zone de pixel, quelles que soient les dimensions de l'écran et l'augmentation de taille d'un substrat de verre. A cette fin, un procédé selon l'invention consiste à définir, dans la direction longitudinale d'un pixel, une direction parallèle à la direction longitudinale d'une barre de tête d'impression à jet d'encre (5), et à définir une direction de déplacement relative de la barre de tête d'impression à jet d'encre (5) dans une direction croisant perpendiculairement la direction longitudinale du pixel.
PCT/JP2007/059653 2006-05-15 2007-05-10 Procédé et appareil permettant de fabriquer un filtre coloré WO2007132727A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN2007800179560A CN101449186B (zh) 2006-05-15 2007-05-10 滤色器制造方法及其装置
JP2008515510A JP5243954B2 (ja) 2006-05-15 2007-05-10 カラーフィルタ製造方法およびその装置
KR1020087030392A KR101214352B1 (ko) 2006-05-15 2008-12-12 컬러 필터 제조 방법 및 그 장치

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2006-135445 2006-05-15
JP2006135445 2006-05-15

Publications (1)

Publication Number Publication Date
WO2007132727A1 true WO2007132727A1 (fr) 2007-11-22

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PCT/JP2007/059653 WO2007132727A1 (fr) 2006-05-15 2007-05-10 Procédé et appareil permettant de fabriquer un filtre coloré

Country Status (5)

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JP (1) JP5243954B2 (fr)
KR (1) KR101214352B1 (fr)
CN (1) CN101449186B (fr)
TW (1) TWI398358B (fr)
WO (1) WO2007132727A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009099051A1 (fr) * 2008-02-04 2009-08-13 Toray Engineering Co., Ltd. Dispositif et procédé d'application
JP2010152404A (ja) * 2010-04-01 2010-07-08 Seiko Epson Corp 液状体配置方法、カラーフィルタの製造方法、有機ｅｌ表示装置の製造方法

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JP2005131606A (ja) * 2003-10-31 2005-05-26 Seiko Epson Corp 吐出装置、カラーフィルタ基板の製造装置、エレクトロルミネッセンス表示装置の製造装置、および吐出方法
JP2005324130A (ja) * 2004-05-14 2005-11-24 Seiko Epson Corp 液滴吐出装置、電気光学装置、電気光学装置の製造方法、および電子機器

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JP2010152404A (ja) * 2010-04-01 2010-07-08 Seiko Epson Corp 液状体配置方法、カラーフィルタの製造方法、有機ｅｌ表示装置の製造方法

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CN101449186A (zh) 2009-06-03
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JP5243954B2 (ja) 2013-07-24
KR101214352B1 (ko) 2012-12-20
CN101449186B (zh) 2011-01-19
TWI398358B (zh) 2013-06-11

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