WO2010005011A1 - インクジェット式印刷装置、吐出量検査方法 - Google Patents
インクジェット式印刷装置、吐出量検査方法 Download PDFInfo
- Publication number
- WO2010005011A1 WO2010005011A1 PCT/JP2009/062408 JP2009062408W WO2010005011A1 WO 2010005011 A1 WO2010005011 A1 WO 2010005011A1 JP 2009062408 W JP2009062408 W JP 2009062408W WO 2010005011 A1 WO2010005011 A1 WO 2010005011A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- ink
- substrate
- discharge amount
- recess
- mounting table
- Prior art date
Links
Images
Classifications
-
- 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
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/015—Ink jet characterised by the jet generation process
- B41J2/04—Ink jet characterised by the jet generation process generating single droplets or particles on demand
- B41J2/045—Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers
- B41J2/04501—Control methods or devices therefor, e.g. driver circuits, control circuits
- B41J2/0459—Height of the driving signal being adjusted
-
- 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
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/015—Ink jet characterised by the jet generation process
- B41J2/04—Ink jet characterised by the jet generation process generating single droplets or particles on demand
- B41J2/045—Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers
- B41J2/04501—Control methods or devices therefor, e.g. driver circuits, control circuits
- B41J2/04581—Control methods or devices therefor, e.g. driver circuits, control circuits controlling heads based on piezoelectric elements
-
- 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
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/21—Ink jet for multi-colour printing
- B41J2/2132—Print quality control characterised by dot disposition, e.g. for reducing white stripes or banding
- B41J2/2139—Compensation for malfunctioning nozzles creating dot place or dot size errors
-
- 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
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/21—Ink jet for multi-colour printing
- B41J2/2132—Print quality control characterised by dot disposition, e.g. for reducing white stripes or banding
- B41J2/2142—Detection of malfunctioning nozzles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
- B05B12/08—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means
- B05B12/084—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means responsive to condition of liquid or other fluent material already sprayed on the target, e.g. coating thickness, weight or pattern
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B17/00—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups
- B05B17/04—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods
- B05B17/06—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods using ultrasonic or other kinds of vibrations
- B05B17/0607—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods using ultrasonic or other kinds of vibrations generated by electrical means, e.g. piezoelectric transducers
-
- 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
-
- 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
Definitions
- the present invention relates to a technical field of manufacturing a color filter, and more particularly to a technology of manufacturing a color filter using an ink jet printing apparatus.
- an ink jet printing apparatus (ink jet printing apparatus) has been used to manufacture color filters for liquid crystal display devices.
- the amount of ink ejected from the ink jet printing apparatus is not stable due to the influence of changes in the head over time, jetting patterns, ink characteristic variations, and the like.
- This invention makes it a subject to provide the technique which can make in-plane distribution of discharge amount uniform.
- the present invention provides a mounting table on which a printing object is disposed, a table moving device that moves the mounting table, an ink head having a plurality of nozzle holes for discharging ink, and the mounting table described above.
- An illumination device that irradiates measurement light onto the back surface of the printing object, a light receiving device that receives the measurement light transmitted through the printing object, and a direction perpendicular to the moving direction of the mounting table.
- a sensor moving device that moves the optical object to obtain optical characteristics of the print object from a light reception result of the light receiving device.
- the present invention is a printing apparatus configured such that the ejection amount of each nozzle hole is corrected based on the optical characteristics of the printing object.
- the present invention is a printing apparatus configured such that the ink head can eject a plurality of inks at different positions.
- the color ink is ejected onto the substrate from a plurality of nozzle holes, the measurement light is irradiated from the back surface of the substrate at the position where the color ink has landed, and is transmitted through the substrate and the color ink.
- Light is received and optical characteristics are compared with a reference value to determine whether or not the discharge amount of the color ink on the substrate is excessive or insufficient for each nozzle hole.
- a nozzle hole with an excessive amount is a discharge amount inspection method for reducing the discharge amount.
- the present invention is the ejection amount inspection method in which the measurement of the optical characteristics is performed before the color ink on the substrate is dried.
- the substrate is provided with a plurality of depressions made of depressions in advance, the color ink is landed at a plurality of locations per recess, and the measurement light is received at a plurality of different locations per recess. This is a discharge amount inspection method.
- the present invention is configured as described above, and the printing object placed on the mounting table faces the nozzle hole of the ink head and moves from the nozzle hole while moving from the movement start position to the movement destination position.
- the deposited ink lands in the recess, and the ink spreads in the elongated recess.
- Each concave portion is measured for chromaticity and lightness with transmitted light from the back surface, and the amount of ink that has landed is determined for each concave portion by the measurement result.
- the discharge amount to the printing object can be made uniform. Therefore, a color filter with little chromaticity variation and lightness variation can be obtained.
- Substrate 10 Printing device 12 ... Mounting table 16 ... Illuminating device 21 ... Ink head 22 ... Nozzle hole 25 ... Light receiving device 31 ... Stand moving device 33 ... Sensor moving device
- FIGS. 1A, 1B to 4A, 4B denotes a printing apparatus as an example of the present invention.
- FIGS. 1A to 4A are plan views seen from above, and FIGS. 1B to 4B are side views seen from the side.
- the printing apparatus 10 includes a substrate transport mechanism 7, a printing mechanism 8, and a measuring device 9.
- the substrate transport mechanism 7 has a horizontally movable table moving shaft 11 on which a mounting table 12 is mounted horizontally.
- the substrate transfer mechanism 7 includes a table moving device 31, and the mounting table 12 can be linearly reciprocated on the table moving shaft 11 in the horizontal plane along the direction in which the table moving shaft 11 extends by the table moving device 31. It is configured as follows.
- the printing mechanism 8 has a head moving shaft 14. The head moving shaft 14 is horizontally disposed above the table moving shaft 11.
- An ink head 21 is attached to the head moving shaft 14.
- the head moving shaft 14 is connected to a head moving device 32, and the ink head 21 is configured to reciprocate in the direction along the head moving shaft 14 by the head moving device 32.
- the measuring device 9 has a sensor moving shaft 15.
- the sensor moving shaft 15 is disposed horizontally above the table moving shaft 11.
- a light receiving device 25 is attached to the sensor moving shaft 15.
- the sensor moving shaft 15 is connected to a sensor moving device 33, and the light receiving device 25 can be reciprocated in the direction along the sensor moving shaft 15 by the sensor moving device 33 (FIG. 2 (a), ( (b) to FIGS. 4 (a) and 4 (b), the illustration of the moving devices 31 to 33 is omitted.
- the ink head 21 and the light receiving device 25 are controlled separately and can be moved independently of each other.
- the head moving shaft 14 is arranged in a direction orthogonal to the direction in which the table moving shaft 11 extends, and the ink head 21 reciprocates in a direction orthogonal to the moving direction of the mounting table 12.
- the sensor moving shaft 15 is also arranged in a direction orthogonal to the direction in which the table moving shaft 11 extends, and the light receiving device 25 reciprocates in a direction orthogonal to the moving direction of the mounting table 12.
- the mounting table 12, the ink head 21, and the light receiving device 25 move in a horizontal plane, and therefore the movement directions of the ink head 21 and the light receiving device 25 are parallel.
- the head movement shaft 14 is disposed closer to the movement start position than the sensor movement shaft 15.
- the moving shaft 15 is disposed at a position closer to the moving destination position than the head moving shaft 14.
- FIGS. 2A and 2B show a state in which the substrate 5 which is a printing object is placed on the mounting table 12 and is stationary at the movement start position.
- the substrate 5 may be a resin substrate or a glass substrate.
- the ink head 21 is disposed closer to the movement destination position than the substrate 5.
- the head moving shaft 14 and the ink head 21, the sensor moving shaft 15 and the light receiving device 25 are located above the moving path of the mounting table 12.
- the mounting table 12 moves the head moving shaft 14, the ink head 21 and the sensor. It is possible to move from the movement start position to the movement destination position without colliding with the shaft 15 and the light receiving device 25.
- the ink head 21 When ink is ejected onto the substrate 5 by the printing apparatus 10, the ink head 21 is moved in advance by the head moving device 32, and the ink head 21 is kept stationary above the movement path of the mounting table 12. In this state, when the mounting table 12 is moved in the direction of the movement destination position by the table moving device 31, the substrate 5 enters a position directly below the ink head 21, as shown in FIGS. 3 (a) and 3 (b).
- FIG. 5A is a partial surface view of the substrate 5, and FIG. 5B is a cross-sectional view.
- Reference numeral 6 denotes a recess
- reference numeral 17 denotes a black matrix, which is placed on the glass substrate 19. .
- the positive direction of the y-axis in FIG. 5A shows the moving direction of the substrate 5, and the x-axis shows the orthogonal direction in the horizontal plane with respect to the moving direction.
- the recesses 6 are elongated in plan view, and each recess 6 is oriented in the same direction as the movement direction of the substrate 5 and is formed in a matrix along the movement direction of the substrate 5 and the direction orthogonal to the movement direction. Has been placed. If the arrangement in the moving direction of the mounting table 12 is a column and the arrangement in the orthogonal direction is a row, the recesses 6 in 4 rows and 12 columns are shown in FIG.
- a plurality of nozzle holes 22 are provided on the surface of the ink head 21 facing the substrate 5 (the black circles in the figure indicate the positions of the nozzle holes 22).
- the nozzle holes 22 are arranged along a direction orthogonal to the moving direction of the substrate 5.
- Each nozzle hole 22 is configured such that, when the substrate 5 moves, a plurality of different recesses 6 pass through the position directly below each nozzle hole 22. Accordingly, the row of the recesses 6 arranged along the moving direction passes directly under the same nozzle hole 22.
- the ink head 21 is connected to at least one of a red ink tank, a green ink tank, and a blue ink tank.
- the ink head 21 is connected to a tank of three colors, a red ink tank, a green ink tank, and a blue ink.
- the ink head 21 is composed of units 21-R, 21-G, and 21-B of red, green, and blue colors. From each tank, any one color of red ink, green ink, and blue ink is provided. Ink is supplied, and the red, green, and blue units 21-R, 21-G, and 21-B nozzle holes 22 receive red, green, and blue inks respectively in one recess 6.
- Each of the concave portions 6 is color-coded with RGB by red, green, or blue ink that is ejected and landed.
- each of the recesses 6 is formed with an ink layer of red, green, or blue, and is set to color the transmitted light in any one color of red, green, or blue. It passes directly below the nozzle hole 22 that ejects ink.
- each nozzle hole 22 a piezoelectric element is provided inside each nozzle hole 22, and when a voltage is applied to each piezoelectric element, ink is ejected from each nozzle hole 22 to the recess 6 and landed. The ink spreads in each recess 6.
- Reference numeral 29 in FIGS. 3 and 4 indicates a region where ink is ejected.
- Reference numeral 18 in FIG. 5 (c) denotes ink that has spread inside the recess 6 and is in a liquid state before being dried.
- ink is landed on the recesses 6 in the same number of rows as the number of nozzle holes 22 from which the ink has been ejected. Can do.
- the recess 6 is elongated along the moving direction of the substrate 5, and ink can be landed a plurality of times at different positions of the single recess 6.
- ink is ejected a plurality of times to one recess 6 and the ink is landed at different positions in the length direction of the recess 6 on the bottom surface of the recess 6, the ink spreads in the recess 6.
- the mounting table 12 is provided with an illuminating device 16, and is configured to irradiate measurement light onto a portion of the back surface of the substrate 5 disposed on the mounting table 12 that faces the illuminating device 16.
- the illuminating device 16 extends in a direction parallel to the moving direction x of the light receiving device 25, and is configured to be able to irradiate the measuring light from the back surface to the concave portions 6 arranged in a row.
- one line irradiated with measurement light is a measurement line
- the substrate 5 passes a position directly below the ink head 21
- at least the concave portion 6 positioned in the measurement line has ink of any one color of red, green, or blue.
- the transmitted measurement light is colored in the color of the ink in the recess 6.
- the mounting table 12 that is stationary at the movement destination position is such that the portion where the illumination device 16 is located is located directly below the movement path of the light receiving device 25. Therefore, in the substrate 5 on the mounting table 12, the recess 6 in the measurement row is arranged directly below the moving path of the light receiving device 25.
- FIG. 6 is a block diagram of a control system of the printing apparatus 10, and reference numeral 30 denotes a control apparatus.
- the control device 30 is connected to the light receiving device 25, the illumination device 16, the ink head 21, the table moving device 31, the head moving device 32, and the sensor moving device 33, and their operations are controlled by the control device 30. ing.
- the control device 30 When the control device 30 operates the sensor moving device 33 to move the light receiving device 25 on the measurement line of the substrate 5 and the illuminating device 16 emits the measurement light, the measurement light is irradiated on the back surface of the recess 6 located in the measurement line. Is done.
- An optical sensor is provided inside the light receiving device 25. The bottom surface of each recess 6 is transparent, and the measurement light transmitted through one recess 6 positioned directly below the optical sensor is received by the optical sensor.
- a measurement circuit is provided inside the light receiving device 25, and the optical characteristics of the printing object are obtained from the wavelength distribution light intensity of the received measurement light.
- the chromaticity (RGB ratio) and the luminance (brightness) of the printing object are obtained and used as the optical characteristics, but either one may be obtained as the optical characteristics.
- saturation and hue may be added.
- optical characteristic includes any characteristic of chromaticity, hue, saturation, lightness, or reflectance, refractive index, and transmittance of light of a specific frequency.
- the control device 30 stores in advance the chromaticity and luminance reference values of the red, green, and blue recesses 6 for each color, and the chromaticity measurement value and the brightness measurement value obtained from the received measurement light are stored in advance. Comparing the set chromaticity reference value and lightness reference value, it is possible to determine whether the discharge amount is excessive or insufficient for each nozzle hole 22 from the comparison result.
- the discharge amount of the nozzle hole 22 can be corrected by changing the value of one or two or more parameters using the voltage value of the voltage applied to the piezoelectric element, the application time, and the waveform of the applied voltage as parameters.
- the parameter to be corrected is determined among the applied voltage magnitude, the voltage application time, and the applied voltage waveform parameter, and the difference between the chromaticity measurement value and the chromaticity reference value, and the brightness measurement value and the lightness reference value. Or the ratio between the chromaticity measurement value and the chromaticity reference value and the ratio between the brightness measurement value and the luminosity reference value can be obtained, a predetermined parameter correction value can be calculated from the difference or the ratio.
- the control device 30 obtains a correction value and operates the piezoelectric element according to a parameter to which the correction value is applied, the discharge amount from the nozzle hole 22 is corrected. As a result, the chromaticity and lightness of each recess 6 are matched for each color.
- the substrate 5 is returned to the movement start position, the ink head 21 is moved in the direction orthogonal to the movement direction of the substrate 5, and the recess 6 adjacent to the area where the ink is applied passes directly under the nozzle hole 22. In this way, ink of a corresponding color is landed in the uncoated recess 6.
- the ejection amount at this time is corrected, if the measurement is performed again when the substrate 5 passes through the position directly below the ink head 21 and stops at the transport destination position, it is different from the already measured recess 6 in the measurement row.
- the chromaticity and brightness of the recess 6 will be measured, and the voltage parameter of the nozzle hole 22 can be corrected again.
- the measurement was performed before the ink was dried. However, after the substrate 5 coated with the ink was heated and the ink in the recess 6 was baked to form an ink layer in each recess 6. Measurement of chromaticity and lightness may be performed.
- the recessed part 6 is elongate along the moving direction of the board
- chromaticity and brightness can be measured at a plurality of locations for one recess 6, the chromaticity and brightness are measured at a plurality of locations in one recess 6, and the average value is measured as a chromaticity measurement value and a brightness measurement value.
- the chromaticity reference value and the lightness reference value may be compared with each other.
- the measurement line was one line, it is comprised so that the illuminating device 16 can irradiate the measurement light to the recessed part 6 located in a some line, and several with respect to one nozzle hole 22 is provided.
- the voltage parameter can be corrected using the measured value of the recess 6.
- the ink head used was an SE-3 head manufactured by Daimatics.
- a pigment dispersion type RGB ink manufactured by JSR Corporation was used as the ink.
- On the substrate, a resin black matrix was subjected to ink repellent treatment with atmospheric pressure plasma manufactured by Sekisui Chemical Co., Ltd.
Landscapes
- Engineering & Computer Science (AREA)
- Quality & Reliability (AREA)
- Coating Apparatus (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
Description
しかし、インクジェット式印刷装置から吐出されるインクの量は、ヘッドの経時変化、ジェッティングパターン、インクの特性バラツキ等の影響で安定しないという問題がある。
吐出量の補正方法は、例えば下記文献に記載されている。
また、本発明は、前記印刷対象物の光学特性から、前記各ノズル孔の吐出量が修正されるように構成された印刷装置である。
また、本発明は、前記インクヘッドは、異なる位置に複数のインクを吐出できるように構成された印刷装置である。
また、本発明は、複数のノズル孔から基板上にカラーインクを吐出させ、前記基板の前記カラーインクが着弾した位置の裏面から測定光を照射し、前記基板と前記カラーインクを透過した前記測定光を受光し、光学特性を基準値と比較して前記基板上のカラーインクの吐出量の過不足を前記ノズル孔毎に判断し、吐出量が不足するノズル孔は吐出量を増加させ、吐出量が過剰なノズル孔は吐出量を減少させる吐出量検査方法である。
また、本発明は、前記光学特性の測定は、前記基板上の前記カラーインクを乾燥させる前に行なう吐出量検査方法である。
また、本発明は、前記基板には予め窪みから成る凹部を複数個設けておき、前記凹部一個当たり複数箇所に前記カラーインクを着弾させ、前記凹部一個当たり複数の異なる箇所で前記測定光を受光する吐出量検査方法である。
各凹部は、裏面からの透過光で色度と明度が測定され、測定結果によって着弾したインクの量の過不足が凹部毎に分かる。
従って、色度ばらつき、明度ばらつきの少ないカラーフィルタが得られる。
10……印刷装置
12……載置台
16……照明装置
21……インクヘッド
22……ノズル孔
25……受光装置
31……台移動装置
33……センサ移動装置
基板搬送機構7は、水平配置された台移動軸11を有しており、その上には載置台12が水平に取り付けられている。
印刷機構8はヘッド移動軸14を有している。ヘッド移動軸14は台移動軸11の上方に水平に配置されている。
センサ移動軸15には受光装置25が取り付けられている。センサ移動軸15はセンサ移動装置33に接続されており、受光装置25は、センサ移動装置33によってセンサ移動軸15に沿った方向に往復移動できるようにされている(図2(a)、(b)~図4(a)、(b)では、各移動装置31~33の図示は省略する)。インクヘッド21と受光装置25は別々に制御されており、それぞれ独立に移動できるようにされている。
センサ移動軸15も台移動軸11が伸びる方向と直交する向きで配置されており、受光装置25は載置台12の移動方向とは直交する方向に往復移動する。載置台12とインクヘッド21と受光装置25とは水平面内で移動し、従って、インクヘッド21と受光装置25の移動方向は平行である。
移動開始位置上で基板5が静止している状態では、インクヘッド21は、その基板5よりも移動先位置に近くなるように配置されている。
その状態で台移動装置31によって載置台12を移動先位置の方向に移動させると、図3(a)、(b)に示すように、基板5はインクヘッド21の真下位置に入る。
図5(a)は、基板5の一部表面図、同図(b)は断面図であり、符号6は凹部、符号17はブラックマトリクスを示しており、ガラス基板19上に乗せられている。
各ノズル孔22は、基板5が移動したときに、各ノズル孔22の真下位置をそれぞれ異なる複数の凹部6が通過するようにされている。従って、移動方向に沿って並ぶ一列の凹部6は、同じノズル孔22の真下位置を通過する。
インクヘッド21は、赤色インクのタンクと緑色インクのタンクと青色インクのタンクのいずれか一個以上に接続されている。ここでは、インクヘッド21は、赤色インクのタンクと緑色インクのタンクと青色インクの三色のタンクに接続されている。
図5(c)の符号18は凹部6の内部に拡がったインクを示しており、乾燥する前は液体の状態である。
凹部6は基板5の移動方向に沿って細長であり、一個の凹部6の異なる位置に複数回インクを着弾させることができる。
一個の凹部6に対して複数回インクを吐出し、凹部6の底面上の凹部6の長さ方向の異なる位置にそれぞれインクを着弾させると、凹部6内にインクが拡がる。
ここでは照明装置16は、受光装置25の移動方向xと平行な方向に延設されており、一行中に並ぶ凹部6に裏面から測定光を照射できるように構成されている。
受光装置25の内部には光センサが設けられている。各凹部6の底面は透明であり、光センサの真下に位置する一個の凹部6を透過した測定光が光センサによって受光される。
ここでは、印刷対象物の色度(RGBの割合)と輝度(明度)の両方を求め、光学特性としたが、いずれか一方を求めて光学特性としてもよい。
また、色度と輝度に加え、彩度や色相を加えてもよい。
要するに、本発明の「光学特性」は、色度、色相、彩度、明度、又は、特定の周波数の光の反射率、屈折率、透過率のいずれかの特性を含む。
測定結果を下記表1に示す。
Claims (6)
- 印刷対象物が配置される載置台と、
前記載置台を移動させる台移動装置と、
インクを吐出する複数のノズル孔を有するインクヘッドと、
前記載置台上の前記印刷対象物の裏面に測定光を照射する照明装置と、
前記印刷対象物を透過した前記測定光を受光する受光装置と、
前記受光装置を前記載置台の移動方向とは直交する方向に移動させるセンサ移動装置とを有し、
前記受光装置の受光結果から、前記印刷対象物の光学特性が求められるように構成された印刷装置。 - 前記印刷対象物の光学特性から、前記各ノズル孔の吐出量が修正されるように構成された請求項1記載の印刷装置。
- 前記インクヘッドは、異なる位置に複数のインクを吐出できるように構成された請求項1又は請求項2のいずれか1項記載の印刷装置。
- 複数のノズル孔から基板上にカラーインクを吐出させ、
前記基板の前記カラーインクが着弾した位置の裏面から測定光を照射し、前記基板と前記カラーインクを透過した前記測定光を受光し、光学特性を基準値と比較して前記基板上のカラーインクの吐出量の過不足を前記ノズル孔毎に判断し、
吐出量が不足するノズル孔は吐出量を増加させ、吐出量が過剰なノズル孔は吐出量を減少させる吐出量検査方法。 - 前記光学特性の測定は、前記基板上の前記カラーインクを乾燥させる前に行なう請求項4記載の吐出量検査方法。
- 前記基板には予め窪みから成る凹部を複数個設けておき、
前記凹部一個当たり複数箇所に前記カラーインクを着弾させ、
前記凹部一個当たり複数の異なる箇所で前記測定光を受光する請求項4又は請求項5のいずれか1項記載の吐出量検査方法。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010519791A JPWO2010005011A1 (ja) | 2008-07-08 | 2009-07-08 | インクジェット式印刷装置、吐出量検査方法 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008177999 | 2008-07-08 | ||
JP2008-177999 | 2008-07-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2010005011A1 true WO2010005011A1 (ja) | 2010-01-14 |
Family
ID=41507124
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2009/062408 WO2010005011A1 (ja) | 2008-07-08 | 2009-07-08 | インクジェット式印刷装置、吐出量検査方法 |
Country Status (3)
Country | Link |
---|---|
JP (1) | JPWO2010005011A1 (ja) |
KR (1) | KR20110008277A (ja) |
WO (1) | WO2010005011A1 (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012098337A (ja) * | 2010-10-29 | 2012-05-24 | Shibaura Mechatronics Corp | 液滴塗布装置及び液滴塗布方法 |
JP2014140810A (ja) * | 2013-01-23 | 2014-08-07 | Ulvac Japan Ltd | インクジェット装置および液滴測定方法 |
WO2015099521A2 (en) | 2013-12-24 | 2015-07-02 | Biotropics Malaysia Bhd | Fruit extracts and extract formulations of canarium odontophyllum as actives and related invention embodiments |
WO2022145621A1 (ko) * | 2020-12-31 | 2022-07-07 | (주)유니젯 | 잉크방울 측정패드와 이를 구비한 잉크젯 프린터 장치 및 잉크방울 측정방법 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102011118B1 (ko) | 2018-04-13 | 2019-08-14 | 김정범 | 개선된 스냅 단추 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000233495A (ja) * | 1999-02-17 | 2000-08-29 | Ricoh Co Ltd | インクジェット記録装置 |
JP2000266920A (ja) * | 1999-03-12 | 2000-09-29 | Canon Inc | カラーフィルタの着色装置およびカラーフィルタ及び表示装置及び表示装置を備えた装置 |
WO2003022591A1 (en) * | 2001-09-10 | 2003-03-20 | Seiko Epson Corporation | Deposition of soluble materials |
WO2003023878A1 (en) * | 2001-09-10 | 2003-03-20 | Seiko Epson Corporation | Deposition of soluble materials |
JP2007136310A (ja) * | 2005-11-16 | 2007-06-07 | Seiko Epson Corp | 吐出パターンデータ補正方法、吐出パターンデータ補正装置、液滴吐出装置、並びに電気光学装置の製造方法、電気光学装置および電子機器 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004093369A (ja) * | 2002-08-30 | 2004-03-25 | Seiko Epson Corp | ワークギャップ測定方法およびワークギャップ測定装置、描画方法および描画装置、電気光学装置およびその製造方法、並びに電子機器 |
NL1030357C2 (nl) * | 2005-11-04 | 2007-05-07 | Otb Group Bv | Werkwijze en inrichting voor het vervaardigen van een kleurenfilter en/of een black matrix en een display voorzien van een dergelijk kleurenfilter en/of een dergelijke black matrix. |
JP4876577B2 (ja) * | 2005-12-28 | 2012-02-15 | 大日本印刷株式会社 | カラーフィルタの製造方法 |
-
2009
- 2009-07-08 JP JP2010519791A patent/JPWO2010005011A1/ja active Pending
- 2009-07-08 KR KR1020107026364A patent/KR20110008277A/ko not_active Application Discontinuation
- 2009-07-08 WO PCT/JP2009/062408 patent/WO2010005011A1/ja active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000233495A (ja) * | 1999-02-17 | 2000-08-29 | Ricoh Co Ltd | インクジェット記録装置 |
JP2000266920A (ja) * | 1999-03-12 | 2000-09-29 | Canon Inc | カラーフィルタの着色装置およびカラーフィルタ及び表示装置及び表示装置を備えた装置 |
WO2003022591A1 (en) * | 2001-09-10 | 2003-03-20 | Seiko Epson Corporation | Deposition of soluble materials |
WO2003023878A1 (en) * | 2001-09-10 | 2003-03-20 | Seiko Epson Corporation | Deposition of soluble materials |
JP2007136310A (ja) * | 2005-11-16 | 2007-06-07 | Seiko Epson Corp | 吐出パターンデータ補正方法、吐出パターンデータ補正装置、液滴吐出装置、並びに電気光学装置の製造方法、電気光学装置および電子機器 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012098337A (ja) * | 2010-10-29 | 2012-05-24 | Shibaura Mechatronics Corp | 液滴塗布装置及び液滴塗布方法 |
JP2014140810A (ja) * | 2013-01-23 | 2014-08-07 | Ulvac Japan Ltd | インクジェット装置および液滴測定方法 |
WO2015099521A2 (en) | 2013-12-24 | 2015-07-02 | Biotropics Malaysia Bhd | Fruit extracts and extract formulations of canarium odontophyllum as actives and related invention embodiments |
WO2022145621A1 (ko) * | 2020-12-31 | 2022-07-07 | (주)유니젯 | 잉크방울 측정패드와 이를 구비한 잉크젯 프린터 장치 및 잉크방울 측정방법 |
Also Published As
Publication number | Publication date |
---|---|
KR20110008277A (ko) | 2011-01-26 |
JPWO2010005011A1 (ja) | 2012-01-05 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR100952380B1 (ko) | 착탄 도트 측정 방법 및 착탄 도트 측정 장치, 및 액적토출 장치, 전기 광학 장치의 제조 방법, 전기 광학 장치및 전자 기기 | |
KR100873477B1 (ko) | 토출 패턴 데이터 보정 방법, 토출 패턴 데이터 보정 장치, 및 액적 토출 장치 | |
JP2008264608A (ja) | 液滴塗布装置及び液滴塗布方法 | |
KR100953468B1 (ko) | 화소내 기능액의 형태 측정 방법, 화소내 기능액의 형태측정 장치, 액적 토출 장치, 전기 광학 장치의 제조 방법,전기 광학 장치 및 전자기기 | |
WO2010005011A1 (ja) | インクジェット式印刷装置、吐出量検査方法 | |
KR100897877B1 (ko) | 액적 토출 장치 및 전기 광학 장치의 제조 방법 | |
JP6245726B2 (ja) | インクジェット装置および液滴測定方法 | |
WO2010044429A1 (ja) | 液滴塗布方法及び装置 | |
US10847723B2 (en) | Droplet discharge method, program, manufacturing method of organic el device, forming method of color filter | |
KR20070117470A (ko) | 증착된 잉크를 통해 측정된 광 투과율을 사용하여 잉크젯프린트 헤드 노즐을 교정하는 시스템 및 방법 | |
US20090251504A1 (en) | Systems and methods for wet in-situ calibration using measurement of light transmittance through ink deposited on a substrate | |
JP2006167544A (ja) | 機能液滴吐出ヘッドの吐出量測定方法、機能液滴吐出ヘッドの駆動制御方法、機能液滴吐出ヘッドの吐出量測定装置、液滴吐出装置、電気光学装置の製造方法、電気光学装置および電子機器 | |
KR20240003727A (ko) | 잉크젯 장치, 제어 방법, 및, 기판 | |
JP4876577B2 (ja) | カラーフィルタの製造方法 | |
KR20080067773A (ko) | 잉크젯 프린팅 시스템의 액적량 조정 장치 및 방법 | |
KR101205751B1 (ko) | 인쇄 장치, 성막 방법 | |
JP4788340B2 (ja) | カラーフィルタの製造方法 | |
KR101231418B1 (ko) | 잉크의 토출량 제어 시스템 및 칼라 필터의 제조 방법 | |
JP2007075767A (ja) | 吐出重量測定方法および吐出重量測定装置ならびにカラーフィルタ製造方法およびカラーフィルタ製造装置 | |
KR20080064943A (ko) | 컬러 필터 및/또는 블랙 매트릭스의 제조 방법 및 장치,그리고 그러한 컬러 필터 및/또는 블랙 매트릭스를 구비한디스플레이 | |
JP5186851B2 (ja) | カラーフィルタの製造方法 | |
JP2009151219A (ja) | 機能液滴吐出ヘッドのヘッド選別方法、ヘッドユニットおよび液滴吐出装置、並びに電気光学装置の製造方法および電気光学装置 | |
JP2007178958A (ja) | カラーフィルタの製造方法 | |
Kim et al. | Study of Ink Jet Printing Parameters to Fabricate LCD Color Filter | |
JP2010210740A (ja) | 液滴吐出方法及びカラーフィルターの製造方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 09794455 Country of ref document: EP Kind code of ref document: A1 |
|
ENP | Entry into the national phase |
Ref document number: 20107026364 Country of ref document: KR Kind code of ref document: A |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2010519791 Country of ref document: JP |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 09794455 Country of ref document: EP Kind code of ref document: A1 |