WO2010058718A1 - 配向膜材料の滴下方法および滴下装置 - Google Patents
配向膜材料の滴下方法および滴下装置 Download PDFInfo
- Publication number
- WO2010058718A1 WO2010058718A1 PCT/JP2009/069150 JP2009069150W WO2010058718A1 WO 2010058718 A1 WO2010058718 A1 WO 2010058718A1 JP 2009069150 W JP2009069150 W JP 2009069150W WO 2010058718 A1 WO2010058718 A1 WO 2010058718A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- alignment film
- inkjet head
- substrate
- dropping
- film material
- Prior art date
Links
Images
Classifications
-
- 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
- G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
-
- 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
- B41J2/2135—Alignment of dots
-
- 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
- B41J3/00—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
- B41J3/407—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for marking on special material
-
- 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
-
- 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
- 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
- G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
- G02F1/133711—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers by organic films, e.g. polymeric films
- G02F1/133723—Polyimide, polyamide-imide
Definitions
- the present invention relates to a method and apparatus for dropping an alignment film material on a substrate for a liquid crystal display panel by an ink jet method.
- a liquid crystal display panel has a configuration in which a pair of substrates, which are a thin film transistor (TFT) array substrate and a color filter (CF) substrate, are arranged in parallel to each other at a predetermined interval, and liquid crystal is filled between the substrates. There is no.
- a plurality of pixel electrodes are formed in a matrix on the TFT array substrate, and a common electrode is formed on almost the entire surface of the CF substrate, and the orientation of the liquid crystal can be controlled by changing the voltage applied between these electrodes. Can be done.
- an alignment film made of an organic material is formed so as to cover the pixel electrode and the common electrode described above.
- Such an alignment film is formed on the substrate surface by using an inkjet head as shown in FIG. 9 in addition to a method in which a thin film made of an alignment film material is transferred to the substrate surface on which the electrode is formed by a rotating roller.
- a method of forming an alignment film material by dropping for example, Patent Document 1 below.
- each of the inkjet heads 100 arranged in a staggered manner a plurality of nozzles 100 a are arranged at a predetermined pitch P along the X direction.
- the droplets 110, 110, 110, 110,... Of the alignment film material can be continuously dropped from each nozzle 100a while being moved relative to each other in the direction.
- Each droplet 110 of the alignment film material dropped from the nozzle 100a spreads on the surface of the substrate 130 at the moment of landing, and when adjacent droplets 110 come into contact with each other, the droplets 110 are connected from the contact position. Together, the alignment film material is formed as a single thin film spread uniformly on the surface of the substrate 130. Thereafter, when a solvent other than the alignment film material contained in the droplet 110 is removed through a predetermined process such as drying, an alignment film having a predetermined film thickness is obtained on the surface of the substrate 130.
- the inter-nozzle pitch P which is the interval between the adjacent nozzles 100a and 100a, is a length of several hundred ⁇ m
- the droplets 110 of the alignment film material dropped from the adjacent nozzles 100a and 100a are shown in FIG. Since the nozzles 100a do not overlap as shown, the inkjet head 100 is configured to shift the nozzles 100a in the arrangement direction (X direction) by a length corresponding to half to 1 ⁇ 4 (half pitch to 1 ⁇ 4 pitch) of the nozzle pitch P.
- the liquid droplets 110 are integrally connected by repeating the movement every plural times in the Y direction.
- a row 111 of droplets 110 of alignment film material continuous along the Y direction on the surface of the substrate 130.
- the ink jet head 100 is displaced by moving the arrow 122 to the right in the X direction by a length (1/4 pitch) of the inter-nozzle pitch P of the ink jet head 100.
- a row 112 of alignment film material droplets 110 is formed on the surface of the substrate 130.
- the inkjet head 100 is moved downward in the Y direction for the third time.
- a row 113 of droplets 110 of alignment film material is formed on the surface of the substrate 130.
- the inkjet head 100 moves upward in the fourth Y direction.
- a row 114 of droplets 110 of alignment film material is formed on the surface of the substrate 130.
- a plurality of alignment film material droplets 110 formed by dropping onto the surface of the substrate 130 by the first movement of the inkjet head 100 to the substrate 130 in the Y direction (arrow 121).
- the second, third, fourth and Y times while shifting the inkjet head 100 in the X direction (arrows 122, 124, 126) by a predetermined shift amount (1/4 pitch) so as to fill the space between the first and second rows 111.
- the rows 111, 112, 113, and 114 of the droplets 110 are connected so that they can be integrated.
- the rows 111, 112, 113, 114 of the adjacent droplets 110 of the alignment film materials are connected to each other.
- the droplets 110 are integrated and dried to form an alignment film as a single thin film on the surface of the substrate 130.
- the amount of droplets 110 dropped from the nozzle 100a may be small due to problems such as clogging of one of the plurality of nozzles 100a provided in each inkjet head 100 or variations in dropping accuracy. There may be many or different.
- the rows 111, 112, 113, 114 of the droplets 110 of the alignment material are moved by two reciprocations in the Y direction while shifting the inkjet head 100 described above in the X direction. 14, as shown in FIG. 14, the alignment film material droplet rows 111, 112, 113, 114 formed by dropping from the defective nozzles 100 b, 100 b (nozzles surrounded by dotted lines in the figure) As a result of a decrease in the amount of drops in all four rows of droplets, for example, as shown in the figure, this portion of the alignment film material is less than in other portions. That happens.
- the problem to be solved by the present invention is that even if there is a defective nozzle having an inappropriate amount of the alignment film material, among the plurality of nozzles provided in the inkjet head, this is uneven in the image display of the liquid crystal display panel. It is to provide a dropping method and a dropping device for an alignment film material that can be suppressed so as not to cause the display.
- the method and apparatus for dropping an alignment film material according to the present invention is such that the inkjet head is relatively Y-direction (dropping movement direction) relative to a liquid crystal display panel substrate having a square or rectangular shape.
- Liquid droplets of alignment film material for liquid crystal alignment from a plurality of nozzles arranged at a predetermined pitch along the X direction (direction orthogonal to the dropping movement direction) of the inkjet head.
- a dropping method and a dropping apparatus wherein a plurality of alignment film material droplet rows formed by dropping on the surface of the substrate by the first movement of the inkjet head to the substrate in the Y direction.
- the substrate is moved by the second movement in the Y direction to the substrate of the inkjet head shifted in the X direction by a predetermined shift amount.
- each of the adjacent alignment film material droplets The gist of the invention is that the amount of shift of the inkjet head in the X direction is set so that the nozzle used for formation changes every time the inkjet head moves in the Y direction.
- the nozzle used for forming the row of droplets of the alignment film materials adjacent to each other is an inkjet head. Since the shift amount in the X direction of the inkjet head is set so as to be different every time it moves in the Y direction, even if there is a defective nozzle whose drop amount is not appropriate, it is formed by dropping from this defective nozzle. In this configuration, the alignment film material droplet rows are not continuous so as to be adjacent to each other.
- the alignment film material droplets dropped from the defective nozzle are formed at positions apart from each other, and as described in the prior art, the alignment film material droplets dropped from the defective nozzle. It is possible to prevent the rows from being continuously formed so as to be adjacent to each other. In other words, in the prior art, the alignment film thickness non-uniformity that causes display unevenness is emphasized by the continuous row of the alignment film material droplets dropped by the defective nozzle. However, in the present invention, the alignment film material droplets dropped by the defective nozzle are not adjacent to each other, and thus the non-uniformity of the alignment film thickness that causes display unevenness is emphasized. It is the composition which is distributed without being. Therefore, it is possible to suppress the occurrence of streaky display unevenness 141 in the image display of the liquid crystal display panel 140 as shown in FIG.
- the shift amount shifted in the X direction every time the inkjet head moves in the Y direction is N1 (natural number: 1, 2, 3,...) Of the pitch between the nozzles provided in the inkjet head.
- N1 natural number: 1, 2, 3,...) Of the pitch between the nozzles provided in the inkjet head.
- the shift amount shifted in the X direction every time the inkjet head moves in the Y direction has a length of 10 times the pitch between the nozzles provided in the inkjet head. If the length is a quarter length and the number of movements of the inkjet head in the Y direction for dropping droplets of the alignment film material onto the substrate is four, Even when there is a defective nozzle in which the amount of the alignment film material is not properly applied, the alignment film material droplets dropped from the defective nozzle are formed at positions separated by a distance 10 times the pitch between the nozzles. Therefore, display unevenness can be made sufficiently inconspicuous.
- the configuration in which the inkjet head is moved in the Y direction each time is reciprocated with respect to the substrate, there is no wasteful movement of the inkjet head, and the alignment film material can be dropped onto the substrate surface. The time required is reduced.
- the alignment film is formed by the present invention.
- a liquid crystal display panel is configured by arranging a plurality of substrates facing each other, even if a non-uniform portion of the film thickness exists in the alignment film formed on each substrate, the stripes are not. Since both the substrates can be made to face each other so that the uniform parts cross each other, it is possible to make the display unevenness less noticeable than when the non-uniform parts in the stripe shape are made to face each other at the same position. .
- the alignment film material droplets dropped by the defective nozzle are not adjacent to each other.
- the uneven thickness is dispersed without being emphasized, and the occurrence of streak-like display unevenness 141 in the image display of the liquid crystal display panel 140 as shown in FIG. 15 can be suppressed.
- FIG. 3 is a diagram showing a state in which a first row of droplets of alignment film material is formed on the substrate surface by the first movement of the inkjet head of FIG. 2.
- FIG. 3 is a diagram illustrating a state in which a second row of droplets of alignment film material is formed on the substrate surface by the second movement of the inkjet head of FIG. 2.
- FIG. 3 is a diagram illustrating a state in which a third row of droplets of alignment film material is formed on the substrate surface by the third movement of the inkjet head of FIG. 2.
- FIG. 3 is a diagram showing a state where a fourth row of droplets of alignment film material is formed on the substrate surface by the fourth movement of the inkjet head of FIG. 2. It is the figure which showed the modification of the state which dripped the droplet of alignment film material on the substrate surface with the inkjet head with which the dripping apparatus of FIG. 1 is provided. It is the figure which showed the state which dropped the droplet of alignment film material on the substrate surface with the inkjet head used conventionally.
- FIG. 3 is a diagram illustrating a state in which a third row of droplets of alignment film material is formed on the substrate surface by the third movement of the inkjet head of FIG. 2.
- FIG. 3 is a diagram showing a state where a fourth row of droplets of alignment film material is formed on the substrate surface by the fourth movement of the inkjet
- FIG. 10 is a diagram illustrating a state in which a first row of droplets of alignment film material is formed on the substrate surface by the first movement of the inkjet head of FIG. 9.
- FIG. 10 is a diagram illustrating a state in which a second row of droplets of alignment film material is formed on the substrate surface by the second movement of the inkjet head of FIG. 9.
- FIG. 10 is a diagram illustrating a state where a third row of droplets of alignment film material is formed on the substrate surface by the third movement of the inkjet head of FIG. 9. It is the figure which showed the state which formed the 4th row
- FIG. 3 shows a schematic configuration of a plan view of the liquid crystal display panel 40 and a cross-sectional view of one pixel.
- the liquid crystal display panel 40 has a configuration in which a plurality of pixels are arranged in the vertical and horizontal directions.
- the liquid crystal display panel 40 includes a liquid crystal 70 between a pair of mutually opposing glass substrate (TFT array side substrate) 50 and glass substrate (color filter side substrate) 60. Is filled.
- TFT array side substrate glass substrate
- glass substrate color filter side substrate
- pixel electrodes 51 provided for each pixel are arranged in a matrix, and below the upper glass substrate 60, a common electrode 61 provided over almost the entire surface is formed. Is formed.
- the pixel electrode 51 and the common electrode 61 are made of an ITO (indium-tin oxide) material.
- a source electrode 52 and a gate electrode are formed around each pixel electrode 51 so as to be orthogonal to each other.
- the source electrode 52 and the gate electrode intersect at the intersection so that the source electrode 52 is on the upper side and the gate electrode is on the lower side via the gate insulating film 55.
- And is connected to the pixel electrode 51 via a drain electrode (not shown).
- the TFT is on / off controlled by the scanning signal voltage supplied from the gate electrode, and the image display signal voltage supplied from the source electrode 52 is applied to the pixel electrode 51 through the drain electrode. It is like that.
- the pixel electrode 51 is provided in an area surrounded by the source electrode 52 and the gate electrode via an interlayer insulating film 54.
- An alignment film 53 is formed on the glass substrate 50 provided with the pixel electrodes 51 so as to cover the pixel electrodes 51.
- An alignment film 62 is formed on the glass substrate 60 provided with the common electrode 61 so as to cover the common electrode 61. These alignment films 53 and 62 are rubbed by rubbing the surfaces of the alignment films 53 and 62 in a predetermined direction using a silk cloth or the like, or photo-alignment processing of irradiating the alignment films 53 and 62 with ultraviolet rays or the like from a predetermined direction. When given, the predetermined alignment characteristics are given to the surfaces of the alignment films 53 and 62, and the alignment of the liquid crystal 70 in contact with the alignment films 53 and 62 can be made uniform. A polyimide material is used for the alignment films 53 and 62.
- a black matrix 63 is formed on the glass substrate 60 on which the common electrode 61 is provided.
- the black matrix 63 shields the region where the source electrode 52, the gate electrode, and the TFT on the glass substrate 50 side are formed.
- the glass substrate 60 is provided with a colored layer 64 of any one of red (R), green (G), and blue (B) for each pixel.
- FIG. 1 is used for forming the alignment film 53 on the glass substrate (TFT array side substrate) 50 and the alignment film 62 on the glass substrate (color filter side substrate) 60 provided in the liquid crystal display panel 40 having the above-described configuration. It is the figure which showed schematic structure of the dropping apparatus of alignment film material.
- a mode in which the alignment film 62 is formed on the glass substrate (color filter side substrate) 60 will be described, and a mode in which the alignment film 53 is formed on the glass substrate (TFT array side substrate) 50 is the same. I will omit it.
- the dropping device 1 is configured to fix the glass substrate 60 relative to the head fixing base 3 that fixes the plurality of ink jet heads 2 shown in FIG. 2 to the lower surface and the ink jet head 2 that is fixed to the head fixing base 3.
- a substrate stage 4 that is movable in the XY directions is provided.
- the substrate stage 4 can hold the glass substrate 60 on the upper surface thereof, and can move the glass substrate 60 in the XY directions with respect to the inkjet head 2. Specifically, the substrate stage 4 can be moved by the first slider 5 in a direction parallel to the arrangement direction of the nozzles 2a of the inkjet head 2 (X direction) and is second in the perpendicular direction (Y direction).
- the slider 6 is movable. Further, in order to adjust the distance between the glass substrate 60 and the inkjet head 2, movement in the vertical direction (Z direction) is also possible by the elevating means 7.
- the control unit 8 controls the operations of the sliders 5 and 6 and the lifting / lowering means 7 and controls the dropping operation of the inkjet head 2.
- the substrate stage 4, the sliders 5, 6 and the lifting / lowering means 7 are provided on the apparatus base 9.
- An alignment film solution (for example, 5% polyimide resin, 95% solvent) 12 containing an alignment film material is applied from the supply tank 10 through the supply pipe 11 to the inkjet head 2 provided on the lower surface of the head fixing base 3. It is supplied by pressure feeding.
- a plurality of inkjet heads 2 are arranged in a staggered pattern along the X direction on the lower surface of the head fixing base 3.
- a plurality of nozzles 2 a are arranged at a predetermined pitch P along the X direction, so that the alignment film material can be dropped on almost the entire surface of the glass substrate 60.
- the droplet 20 of the alignment film material dropped on almost the entire surface of the glass substrate 60 is formed by a dropping method according to the present invention described later.
- the glass substrate 60 held by the substrate stage 4 is attached to the first slider 5 and the second slider 6 with respect to the inkjet head 2 fixed at the center of the apparatus base 9 of the dropping apparatus 1.
- 2 and 4 to 7, arrows 31 to 37 in FIG. 2, FIG. 4 to FIG. 7 are relative to the glass substrate 60 in order to simplify the explanation of the dropping method described later.
- the direction in which the inkjet head 2 is moved is shown.
- Each nozzle 2a provided in the inkjet head 2 is provided with a piezoelectric element (not shown), and a droplet 20 of alignment film material can be discharged from an arbitrary nozzle 2a by a control signal from the control unit 8. It has become.
- the inkjet head 2 moves on the glass substrate 60 in the Y direction (arrows 31, 33, 35, and 37) by the second slider 6, the liquid of the alignment film material from each nozzle 2a. Drops 20 are continuously dropped.
- each nozzle 2a is controlled by the control unit 8 so as to start dropping when each nozzle 2a enters the dropping area of the glass substrate 60.
- the first slider 5 moves the glass by a predetermined shift amount in the X direction (arrows 32, 34, 36). It is shifted with respect to the substrate 60. Therefore, as shown in FIG. 2, while forming the rows 21, 22, 23, 24 of the droplets 20 of the alignment film material dropped from the defective nozzle 2b at positions apart from each other, The row of droplets 20 can be connected together.
- the shift amount shifted in the X direction (arrows 32, 34, 36) every time the inkjet head 2 moves in the Y direction (arrows 31, 33, 35) is provided in the inkjet head as shown in the figure.
- the control unit 8 sets the length of the nozzle 2a so as to be a length that is one time the pitch P between the nozzles 2a and a quarter of the pitch P, and the glass substrate 60 of the inkjet head 2 is set.
- the number of times of movement in the Y direction (31, 33, 35, 37) for dropping the alignment film material on is 4 times.
- the shift amount shifted in the X direction every time the inkjet head 2 moves in the Y direction is set to N1 (natural number: 1, 2, 3,...) Of the pitch P between the nozzles 2a provided in the inkjet head 2.
- the ink jet head 2 is set to have a length obtained by adding a length that is 1 / N2 of the pitch P to N2 (two or more natural numbers: 2, 3, 4,).
- N1 for determining the length of the shift amount of the inkjet head 2 in the X direction is 1, and the inkjet head 2 in the Y direction is determined.
- a configuration in which N2 for determining the number of movements is 4 will be described.
- N1 is preferably 1 to 20
- N2 is preferably 2 to 4, and a configuration in which N1 is 10 and N2 is 4 is particularly preferable. That is, every time the inkjet head 2 moves in the Y direction, the shift amount shifted in the X direction is set to 10 times the pitch P between the nozzles 2a provided in the inkjet head 2 and is a quarter of the pitch P. 1 is added to the length, and the number of movements (scanning times) in the Y direction for dropping the alignment film material onto the glass substrate 60 of the inkjet head 2 is set to 4 times. Is preferred.
- the central nozzle (nozzle surrounded by a dotted line in the figure) of the second inkjet head 2 from the left is a defective nozzle 2b with a small amount of dripping due to nozzle clogging or the like.
- the nozzle on the right side of the fourth inkjet head 2 from the left is also a defective nozzle 2b with a small amount of dripping. Therefore, the droplets 20 in the first row 21 formed by dropping from these defective nozzles 2b, 2b are smaller than the others.
- the length of the arrow 32 to the right in the X direction is equal to the length of 1/4 of the pitch P between the nozzles of the inkjet head 2 (1/4 pitch).
- the second row 22 of the alignment film material droplets 20 is formed on the surface of the glass substrate 60 by the second movement of the arrow 33 upward in the Y direction of the inkjet head 3.
- the second row 22 of the droplets 20 formed by dropping by the defective nozzle 2b in the center of the second inkjet head 2 from the left is the same as that of the second inkjet head 2 from the left.
- the right nozzle 2a is adjacent to the first row 21 of the droplets 20 that have the appropriate amount of droplets formed when the arrow 31 is moved downward in the Y direction for the first time.
- the second row 22 of the droplets 20 formed by dropping by the defective nozzle 2b on the right side of the fourth inkjet head 2 from the left is the first time by the left nozzle 2a of the fifth inkjet head 2 from the left. It is adjacent to the first row 21 of droplets 20 in which the amount of droplets formed by dripping when the arrow 21 moves downward in the Y direction is appropriate.
- the length of the arrow 34 to the right in the X direction is equal to the length of the pitch P between the nozzles of the inkjet head 2 plus a quarter length (1/4 pitch).
- the third row 23 of the droplets 20 of the alignment film material is formed on the surface of the glass substrate 60 by the movement of the arrow 35 downward in the Y direction for the third time of the inkjet head 2.
- the third row 23 of the droplets 20 formed by dropping by the defective nozzle 2b at the center of the second inkjet head 2 from the left is the same as that of the second inkjet head 2 from the left.
- the right nozzle 2a is adjacent to the second row 22 of droplets 20 with the appropriate amount of droplets formed when the arrow 33 moves downward in the Y direction for the second time.
- the third row 23 of the droplets 20 formed by dropping by the defective nozzle 2b on the right side of the fourth inkjet head 2 from the left is the second time by the left nozzle 2a of the fifth inkjet head 2 from the left. It is adjacent to the second row 22 of droplets 20 that have the appropriate amount of droplets formed when the arrow 33 moves downward in the Y direction.
- the arrow 36 moves to the right in the X direction by a length obtained by adding a quarter length (1/4 pitch) to the length of the pitch P between the nozzles of the inkjet head 2.
- the fourth row 24 of the alignment film material droplets 20 is formed on the surface of the glass substrate 60 by the fourth movement of the arrow 37 upward in the Y direction of the inkjet head 2.
- the fourth row 24 of the droplets 20 formed by dropping by the defective nozzle 2b at the center of the second inkjet head 2 from the left is the same as that of the second inkjet head 2 from the left.
- the right nozzle 2a is adjacent to the third row 23 of droplets 20 with the appropriate amount of droplets formed when the arrow 35 is moved downward in the Y direction for the third time.
- the fourth row 24 of the droplets 20 formed by dropping by the defective nozzle 2b on the right side of the fourth inkjet head 2 from the left is the third time by the left nozzle 2a of the fifth inkjet head 2 from the left. Adjacent to the third row 23 of droplets 20 having an appropriate dropping amount formed when the arrow 35 moves downward in the Y direction.
- the rows 21, 22, 23, and 24 of the droplets 20 of the alignment film material that are dropped are adjacently connected to each other so that the droplets 20 are integrated on the surface of the glass substrate 60.
- the film material is formed as a single thin film spread uniformly on the surface of the glass substrate 60. Thereafter, when a solvent other than the alignment film material contained in each droplet 20 is removed through a predetermined process such as drying, an alignment film 62 having a predetermined film thickness is obtained on the surface of the glass substrate 60.
- the alignment film materials included in the first row 21, the second row 22, the third row 23, and the fourth row 24 of the droplets 20 formed by being dropped by the defective nozzles 2b and 2b are adjacent to them.
- the alignment film material included in the row of droplets formed by dropping by the nozzle 2a having a normal dropping amount is complemented when each row of droplets is wet and spread, and this portion of the alignment film The amount of material can be made substantially uniform with the surroundings.
- a row of alignment film material droplets dropped from a defective nozzle is continuously formed locally so as to be adjacent to each other, and the alignment film material contained in the droplet row is also formed.
- the alignment film material contained in the row of droplets formed by dropping the droplets adjacent to them by a normal nozzle is not sufficiently supplemented when each row is wet and spread, and this portion of orientation The amount of film material is not uniform from the surroundings.
- the rows 111, 112, 113, and 114 of the droplets 110 of the alignment film material dropped by the defective nozzle 100 b are continuous so as to be adjacent to each other.
- the alignment film material dripped by the defective nozzle 2 b is emphasized. Since the rows 21, 22, 23, and 24 of the droplets 20 are not adjacent to each other, the non-uniformity in the thickness of the alignment film that causes display unevenness is dispersed without being emphasized. ing.
- FIG. 8 shows a modification of the dropping method described above, in which the Y direction in which the inkjet head 2 moves relative to the glass substrate 60 is inclined at a predetermined angle with respect to one side of the glass substrate 60. That is, the Y direction (scanning direction) relatively moved for dropping of the inkjet head 60 is inclined by a predetermined angle with respect to the pixel arrangement direction on the glass substrate 60.
- the occurrence of display unevenness is suppressed because the direction in which the non-uniform thickness of the alignment film is formed does not coincide with the pixel arrangement direction on the glass substrate 60. Can be done.
- the liquid crystal display panel when configured by arranging the two glass substrates 50 and 60 on which the alignment films 53 and 62 are formed according to the present invention to face each other, they are formed on the respective glass substrates 50 and 60. Even if the alignment films 53 and 62 have a non-uniform portion in the form of stripes, the glass substrates 50 and 60 can be arranged to face each other so that the non-uniform portions in the form of stripes cross each other. Further, the display unevenness can be made less noticeable as compared with the case where the two glass substrates 50 and 60 are arranged to face each other so that the non-uniform portions in the stripe shape are located at the same position.
- the alignment films 21, 22, 23, 24 of the adjacent alignment film material droplets 20 are connected to form an alignment film on the surface of the glass substrate 60.
- the nozzles 2a used to form the rows 21, 22, 23, and 24 of the droplets 20 of the adjacent alignment film materials are different each time the inkjet head 2 moves in the Y direction. 2 is set in the X direction, so that even when there is a defective nozzle 2b whose drop amount is not appropriate, the row 21 of droplets 20 of alignment film material formed by dropping from the defective nozzle 2b, It is possible to make it the structure which is not continuous so that 22,23,24 may adjoin.
- the rows 21, 22, 23, and 24 of the droplets 20 of the alignment film material dropped from the defective nozzle 2b are formed at positions separated from each other.
- the defective nozzle 100b is thus formed. It is prevented that the rows 111, 112, 113, 114 of the droplets 110 of the alignment film material dripped from the region are continuously formed so as to be adjacent to each other.
- the alignment film thickness non-uniformity that causes display unevenness due to the rows 111, 112, 113, 114 of the alignment film material droplets 110 dropped by the defective nozzle 100 b being continuously adjacent to each other.
- the columns 21, 22, 23, and 24 of the droplets 20 of the alignment film material dropped by the defective nozzle 2b are not adjacent to each other.
- the non-uniformity in the thickness of the alignment film that causes unevenness is dispersed without being emphasized. Therefore, it is possible to suppress the occurrence of streaky display unevenness 141 in the image display of the liquid crystal display panel 140 as shown in FIG.
- the shift amount shifted in the X direction is N1 (natural number) times the pitch P between the nozzles 2a and 2a provided in the inkjet head 2.
- the pitch P is a length obtained by adding 1 / N2 (natural number of 2 or more), and the number of movements in the Y direction for dropping the alignment film material onto the substrate of the inkjet head 2 is N2 times.
- the alignment film materials 20 adjacent to each other including the rows 21, 22, 23, and 24 of the alignment film material droplets 20 dropped from the defective nozzle 2b are formed at positions apart from each other.
- the rows 21, 22, 23 and 24 of the droplets 20 can be integrally connected on the substrate surface.
- the amount of shift shifted in the X direction is 10 times as long as the pitch P between the nozzles 2a, 2a provided in the inkjet head 2.
- the number of movements in the Y direction for dropping droplets of the alignment film material onto the substrate of the inkjet head 2 is four times. For example, even when there is a defective nozzle 2b in which the dropping amount of the alignment film material is not appropriate, the rows 21, 22, 23, 24 of the alignment film material droplets 20 dropped from the defective nozzle 2b are located between the nozzles 2a and 2a. Therefore, the display unevenness can be made sufficiently inconspicuous.
- the Y direction that moves relative to the substrate of the inkjet head 2 is inclined at a predetermined angle with respect to one side of the substrate, for example, two sheets each having an alignment film formed by the present invention are provided.
- the liquid crystal display panel is configured by arranging the substrates so as to face each other, even in the case where the alignment film formed on each substrate has a non-uniform portion of the film thickness, the non-uniformity of the stripe shape is present. Since both the substrates can be made to face each other so as to cross each other, it is possible to make display unevenness less conspicuous as compared with the case where the non-uniform portions in a stripe shape are made to face each other at the same position.
- the present invention is not limited to such an embodiment, and it is needless to say that the present invention can be implemented in various modes without departing from the gist of the present invention.
- a configuration in which the shift amount shifted in the X direction each time the inkjet head 2 moves in the Y direction may be different for each movement time. Specifically, for example, after the first downward movement of the inkjet head 2 in the Y direction, the length is one times the pitch P plus one-fourth the pitch P.
- the movement of the inkjet head 2 in the X direction may include the movement to the left in the X direction in addition to the movement to the right in the X direction in addition to the configuration in which the movement in the X direction is only to the right as described above. It is not limited to the embodiment.
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mathematical Physics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Quality & Reliability (AREA)
- Manufacturing & Machinery (AREA)
- Liquid Crystal (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
Description
Claims (10)
- インクジェットヘッドを正方形状または長方形状を有する液晶表示パネル用の基板に対して相対的にY方向(滴下移動方向)に移動させつつ、前記インクジェットヘッドのX方向(滴下移動方向と直交する方向)に沿って所定のピッチで配設された複数のノズルから液晶配向用の配向膜材料の液滴を前記基板表面に滴下する方法であって、前記インクジェットヘッドの前記基板への1回目のY方向への移動によって該基板表面に滴下して形成された複数の配向膜材料の液滴の列の間を埋めるように、該1回目の移動の後、所定のずらし量でX方向へずらされた前記インクジェットヘッドの前記基板への2回目のY方向への移動によって該基板表面に別の複数の配向膜材料の液滴の列を滴下して形成し、これを順に繰り返すことによって前記基板表面に配向膜を形成するに際して、隣り合う各配向膜材料の液滴の列の形成に用いられる前記ノズルが、前記インクジェットヘッドがY方向に移動する回毎に異なるように、前記インクジェットヘッドのX方向への前記ずらし量が設定されていることを特徴とする配向膜材料の滴下方法。
- 前記インクジェットヘッドがY方向へ移動する回毎にX方向へずらされる前記ずらし量が、前記インクジェットヘッドに設けられた前記ノズル間のピッチのN1(自然数)倍の長さに該ピッチのN2(2以上の自然数)分の1の長さを加えた長さであると共に、前記インクジェットヘッドの前記基板への配向膜材料を滴下するためのY方向への移動回数が前記N2回であることを特徴とする請求項1に記載の配向膜材料の滴下方法。
- 前記インクジェットヘッドがY方向へ移動する回毎にX方向へずらされる前記ずらし量が、前記インクジェットヘッドに設けられた前記ノズル間のピッチの10倍の長さに該ピッチの4分の1の長さを加えた長さであると共に、前記インクジェットヘッドの前記基板への配向膜材料の液滴の滴下のためのY方向への移動回数が4回であることを特徴とする請求項1に記載の配向膜材料の滴下方法。
- 前記インクジェットヘッドの各回のY方向への移動が前記基板に対しての往復動によりなされていることを特徴とする請求項1から3のいずれか一項に記載の配向膜材料の滴下方法。
- 前記インクジェットヘッドの前記基板に対して相対的に移動するY方向が前記基板の一辺に対して所定角度傾斜されていることを特徴とする請求項1から4のいずれか一項に記載の配向膜材料の滴下方法。
- インクジェットヘッドを正方形状または長方形状を有する液晶表示パネル用の基板に対して相対的にY方向(滴下移動方向)に移動させつつ、前記インクジェットヘッドのX方向(滴下移動方向と直交する方向)に沿って所定のピッチで配設された複数のノズルから液晶配向用の配向膜材料の液滴を前記基板表面に滴下する装置であって、前記基板が支持される基板ステージと、該基板ステージに支持された基板に対して相対的に前記インクジェットヘッドをY方向およびX方向へ移動可能にする移動手段と、該移動手段の動作を制御する制御手段とを備え、前記インクジェットヘッドの前記移動手段による前記基板への1回目のY方向への移動によって該基板表面に滴下して形成された複数の配向膜材料の液滴の列の間を埋めるように、該1回目の移動の後、前記移動手段により所定のずらし量でX方向へずらされた前記インクジェットヘッドの前記移動手段による前記基板への2回目のY方向への移動によって該基板表面に別の複数の配向膜材料の液滴の列を滴下して形成し、これを順に繰り返すことによって前記基板表面に配向膜を形成するに際して、隣り合う各配向膜材料の液滴の列の形成に用いられる前記ノズルが、前記インクジェットヘッドがY方向へ移動する回毎に異なるように、前記インクジェットヘッドの前記移動手段によるX方向への前記ずらし量が前記制御手段により制御されていることを特徴とする配向膜材料の滴下装置。
- 前記インクジェットヘッドがY方向へ移動する回毎にX方向へずらされる前記ずらし量が、前記インクジェットヘッドに設けられた前記ノズル間のピッチのN1(自然数)倍の長さに該ピッチのN2(2以上の自然数)分の1の長さを加えた長さであると共に、前記インクジェットヘッドの前記基板への配向膜材料を滴下するためのY方向への移動回数が前記N2回であるように前記制御手段により制御されていることを特徴とする請求項6に記載の配向膜材料の滴下装置。
- 前記インクジェットヘッドがY方向へ移動する回毎にX方向へずらされる前記ずらし量が、前記インクジェットヘッドに設けられた前記ノズル間のピッチの10倍の長さに該ピッチの4分の1の長さを加えた長さであると共に、前記インクジェットヘッドの前記基板への配向膜材料の液滴の滴下のためのY方向への移動回数が4回であるように前記制御手段により制御されていることを特徴とする請求項6に記載の配向膜材料の滴下装置。
- 前記インクジェットヘッドの各回のY方向への移動が前記基板に対しての往復動によりなされるように前記制御手段により制御されていることを特徴とする請求項6から8のいずれか一項に記載の配向膜材料の滴下装置。
- 前記インクジェットヘッドの前記基板に対して相対的に移動するY方向が前記基板の一辺に対して所定角度傾斜されていることを特徴とする請求項6から9のいずれか一項に記載の配向膜材料の滴下装置。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010539207A JP5111615B2 (ja) | 2008-11-21 | 2009-11-11 | 配向膜材料の滴下方法および滴下装置 |
BRPI0921388A BRPI0921388A2 (pt) | 2008-11-21 | 2009-11-11 | método para ejetar gotícula de material de alinhamento e dispositivo para o mesmo |
US13/126,482 US20110206832A1 (en) | 2008-11-21 | 2009-11-11 | Method for ejecting droplet of alignment material and device for the same |
RU2011125315/28A RU2481607C2 (ru) | 2008-11-21 | 2009-11-11 | Способ инжектирования капель выравнивающего материала и устройство для его осуществления |
EP09827499A EP2348354A4 (en) | 2008-11-21 | 2009-11-11 | DROP DROP METHOD OF ORIENTATION FILM MATERIAL AND DROP GRIP DEVICE |
CN2009801464852A CN102224449A (zh) | 2008-11-21 | 2009-11-11 | 取向膜材料的滴下方法和滴下装置 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008297519 | 2008-11-21 | ||
JP2008-297519 | 2008-11-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2010058718A1 true WO2010058718A1 (ja) | 2010-05-27 |
Family
ID=42198158
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2009/069150 WO2010058718A1 (ja) | 2008-11-21 | 2009-11-11 | 配向膜材料の滴下方法および滴下装置 |
Country Status (7)
Country | Link |
---|---|
US (1) | US20110206832A1 (ja) |
EP (1) | EP2348354A4 (ja) |
JP (1) | JP5111615B2 (ja) |
CN (1) | CN102224449A (ja) |
BR (1) | BRPI0921388A2 (ja) |
RU (1) | RU2481607C2 (ja) |
WO (1) | WO2010058718A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9465254B2 (en) | 2013-10-31 | 2016-10-11 | Panasonic Liquid Crystal Diplay Co., Ltd. | Liquid crystal display device having an alignment film comprising an inclined surface inside an edge-part area |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5344105B1 (ja) * | 2013-03-08 | 2013-11-20 | ウシオ電機株式会社 | 光配向用偏光光照射装置及び光配向用偏光光照射方法 |
CN103728779A (zh) * | 2013-12-30 | 2014-04-16 | 深圳市华星光电技术有限公司 | 配向膜涂布方法及装置 |
JP6329437B2 (ja) * | 2014-06-10 | 2018-05-23 | キヤノン株式会社 | インプリント装置、インプリント方法、および物品の製造方法 |
KR102487276B1 (ko) * | 2016-03-21 | 2023-01-12 | 삼성디스플레이 주식회사 | 잉크젯 인쇄 방법 및 이를 이용한 표시 장치 제조방법 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001042330A (ja) | 1999-08-03 | 2001-02-16 | Ishii Hyoki Corp | 液晶表示素子の配向膜形成方法 |
JP2006320839A (ja) * | 2005-05-19 | 2006-11-30 | Sharp Corp | 配向膜の液滴吐出方法及び液滴吐出装置 |
JP2008188525A (ja) * | 2007-02-05 | 2008-08-21 | Seiko Epson Corp | 成膜方法及び配向膜形成方法 |
JP2008264673A (ja) * | 2007-04-19 | 2008-11-06 | Sharp Corp | 機能膜の製造方法、液晶表示パネルの製造方法、及び、液晶表示装置の製造方法 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10217438A (ja) * | 1997-02-07 | 1998-08-18 | Tec Corp | 画像形成方法 |
RU2229388C2 (ru) * | 2002-03-06 | 2004-05-27 | ООО "Наука-Сервис-Центр" | Струйная печатающая головка |
JP3966293B2 (ja) * | 2003-03-11 | 2007-08-29 | セイコーエプソン株式会社 | パターンの形成方法及びデバイスの製造方法 |
JP3966294B2 (ja) * | 2003-03-11 | 2007-08-29 | セイコーエプソン株式会社 | パターンの形成方法及びデバイスの製造方法 |
JP4627618B2 (ja) * | 2003-06-09 | 2011-02-09 | 芝浦メカトロニクス株式会社 | 成膜方法及び成膜装置 |
JP3788471B2 (ja) * | 2004-07-14 | 2006-06-21 | コニカミノルタエムジー株式会社 | インクジェット記録装置及びインクジェット記録方法 |
-
2009
- 2009-11-11 BR BRPI0921388A patent/BRPI0921388A2/pt not_active IP Right Cessation
- 2009-11-11 EP EP09827499A patent/EP2348354A4/en not_active Withdrawn
- 2009-11-11 JP JP2010539207A patent/JP5111615B2/ja not_active Expired - Fee Related
- 2009-11-11 RU RU2011125315/28A patent/RU2481607C2/ru not_active IP Right Cessation
- 2009-11-11 US US13/126,482 patent/US20110206832A1/en not_active Abandoned
- 2009-11-11 WO PCT/JP2009/069150 patent/WO2010058718A1/ja active Application Filing
- 2009-11-11 CN CN2009801464852A patent/CN102224449A/zh active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001042330A (ja) | 1999-08-03 | 2001-02-16 | Ishii Hyoki Corp | 液晶表示素子の配向膜形成方法 |
JP2006320839A (ja) * | 2005-05-19 | 2006-11-30 | Sharp Corp | 配向膜の液滴吐出方法及び液滴吐出装置 |
JP2008188525A (ja) * | 2007-02-05 | 2008-08-21 | Seiko Epson Corp | 成膜方法及び配向膜形成方法 |
JP2008264673A (ja) * | 2007-04-19 | 2008-11-06 | Sharp Corp | 機能膜の製造方法、液晶表示パネルの製造方法、及び、液晶表示装置の製造方法 |
Non-Patent Citations (1)
Title |
---|
See also references of EP2348354A4 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9465254B2 (en) | 2013-10-31 | 2016-10-11 | Panasonic Liquid Crystal Diplay Co., Ltd. | Liquid crystal display device having an alignment film comprising an inclined surface inside an edge-part area |
Also Published As
Publication number | Publication date |
---|---|
CN102224449A (zh) | 2011-10-19 |
BRPI0921388A2 (pt) | 2015-12-29 |
EP2348354A4 (en) | 2012-06-06 |
US20110206832A1 (en) | 2011-08-25 |
EP2348354A1 (en) | 2011-07-27 |
RU2481607C2 (ru) | 2013-05-10 |
JPWO2010058718A1 (ja) | 2012-04-19 |
RU2011125315A (ru) | 2012-12-27 |
JP5111615B2 (ja) | 2013-01-09 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US7646458B2 (en) | Liquid crystal display device and method of manufacturing the same | |
US7262823B2 (en) | Display device and manufacturing method thereof | |
JP5111615B2 (ja) | 配向膜材料の滴下方法および滴下装置 | |
JP4935152B2 (ja) | 液滴吐出方法 | |
US7659952B2 (en) | Color-filter substrate, method and apparatus for manufacturing color-filter substrate, and liquid crystal display and method for manufacturing liquid crystal display | |
JP4558685B2 (ja) | スペーサの形成方法及び液晶表示パネルの製造方法 | |
JP2004031070A (ja) | 有機el材料塗布装置とその塗布方法および有機el表示装置 | |
WO2013069256A1 (ja) | インクジェット塗布装置及びインクジェット塗布方法 | |
US8944564B2 (en) | Printing apparatus and method for manufacturing organic light emitting diode display | |
TWI388906B (zh) | 間隔物形成方法及間隔物形成裝置 | |
JP5412389B2 (ja) | 液晶表示装置の製造方法 | |
JP2006320839A (ja) | 配向膜の液滴吐出方法及び液滴吐出装置 | |
JP2007038204A (ja) | 液滴吐出方法、電気光学装置及び電子機器 | |
KR101263384B1 (ko) | 잉크젯 헤드를 포함한 배향막 인쇄 장치 및 이를 이용한배향막 인쇄 방법 | |
JP2006309241A (ja) | 表示装置及び液晶表示装置の製造方法並びにこれに使用される膜形成装置及び配向膜形成装置 | |
JPH10300918A (ja) | カラーフィルタの製造方法及びカラーフィルタ | |
KR20130022171A (ko) | 표시 패널 및 이의 제조방법 | |
WO2010070989A1 (ja) | 液滴吐出装置および液滴吐出方法 | |
KR101252479B1 (ko) | 잉크젯 방식을 이용한 스페이서의 형성방법 및액정표시패널의 제조방법 | |
JP2007271740A (ja) | 滴下装置、滴下方法、表示パネル用の基板および表示パネル | |
KR102092149B1 (ko) | 처리액 토출 장치 및 방법, 그리고 처리액 도포 설비 | |
KR20070117920A (ko) | 잉크 액적 형상 보정 장치 및 방법 | |
KR20190030203A (ko) | 인쇄 장치 | |
JP2010169926A (ja) | 配向膜形成方法および配向膜形成装置 | |
JP2007193180A (ja) | 液晶表示セルの透明基板へのスペーサ散布方法及び装置並びに液晶表示セル |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
WWE | Wipo information: entry into national phase |
Ref document number: 200980146485.2 Country of ref document: CN |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 09827499 Country of ref document: EP Kind code of ref document: A1 |
|
ENP | Entry into the national phase |
Ref document number: 2010539207 Country of ref document: JP Kind code of ref document: A |
|
WWE | Wipo information: entry into national phase |
Ref document number: 13126482 Country of ref document: US |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2009827499 Country of ref document: EP |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
WWE | Wipo information: entry into national phase |
Ref document number: 4197/CHENP/2011 Country of ref document: IN |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2011125315 Country of ref document: RU |
|
ENP | Entry into the national phase |
Ref document number: PI0921388 Country of ref document: BR Kind code of ref document: A2 Effective date: 20110523 |