WO2006048973A1 - 液晶表示装置用基板 - Google Patents
液晶表示装置用基板 Download PDFInfo
- Publication number
- WO2006048973A1 WO2006048973A1 PCT/JP2005/016243 JP2005016243W WO2006048973A1 WO 2006048973 A1 WO2006048973 A1 WO 2006048973A1 JP 2005016243 W JP2005016243 W JP 2005016243W WO 2006048973 A1 WO2006048973 A1 WO 2006048973A1
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- WIPO (PCT)
- Prior art keywords
- liquid crystal
- crystal display
- display device
- substrate
- spacer
- Prior art date
- Legal status (The legal status 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 status listed.)
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Classifications
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1339—Gaskets; Spacers; Sealing of cells
- G02F1/13394—Gaskets; Spacers; Sealing of cells spacers regularly patterned on the cell subtrate, e.g. walls, pillars
-
- 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
Definitions
- the present invention relates to a substrate for a liquid crystal display device. More specifically, the present invention relates to a substrate for a liquid crystal display device that is suitably mounted on a vertical alignment (VA) liquid crystal display panel, a liquid crystal display panel using the same, a liquid crystal display device, and a method for manufacturing the liquid crystal display panel It is.
- VA vertical alignment
- a liquid crystal display panel (liquid crystal display element) used as a main member in such a liquid crystal display device generally has a liquid crystal material sandwiched between a pair of glass substrates and a distance between the two glass substrates. (Cell gap) is held by a spacer.
- a spacer for a liquid crystal display panel a spacer for a liquid crystal display panel
- a spherical spacer which is mainly made of plastic or an inorganic material is used.
- Such spherical spacers can be placed on the substrate by a wet spraying method in which the dispersion liquid of the spacer is sprayed in a mist or by dry spraying using an inert gas such as nitrogen. Laws are generally used.
- the spacers are irregularly (randomly) arranged on the substrate, so the spacers may be arranged in the display area, which adversely affects the display characteristics. It ’s hot.
- the display characteristics of the spacer that protrudes into the display area are preliminarily applied to the surface of the spacer by coloring treatment and orientation treatment.
- a device has been devised to suppress the deterioration of the material.
- a vertical alignment (VA) method which is a kind of high viewing angle mode of liquid crystal, Switching (IPS) display modes are widely used.
- VA vertical alignment
- IPS switching
- the rib-like protrusion structure for controlling the orientation may be provided not only in the pixel area but also in the non-display area. If there is such a rib-like protrusion structure, Since the droplets of the spacer dispersion liquid ejected by the like tend to be dried along the rib-like projection structure, the spacers may be arranged in the picture element region. Furthermore, in the dredging method and IPS method, as described above, it is difficult to arrange all the spacers in the non-display area due to the relationship between the discharge accuracy of the dredging device and the width of the non-display area.
- the arrangement of the spacers in the non-display area is a force that increases the difficulty, and a solution to the problem has been demanded.
- Patent Document 1 Japanese Patent Laid-Open No. 5-333346
- Patent Document 2 JP-A-5-303102
- Patent Document 3 JP-A-57-58124
- Patent Document 4 Pamphlet of International Publication No. 97Z36205
- Patent Document 5 Japanese Patent Laid-Open No. 2002-372717
- the present invention has been made in view of the above-described situation, and particularly relates to a substrate for a liquid crystal display device having a liquid crystal alignment control protrusion provided on the surface thereof, by a method using an ink jet device or the like.
- the present inventor has proposed a spacer dispersion method such as an inkjet (U) method for a liquid crystal display device substrate for a vertical alignment method in which a liquid crystal alignment control protrusion is provided in a picture element region of the liquid crystal display device.
- U inkjet
- the spacer dispersion liquid droplets landed on the substrate in the drying process of the liquid droplets.
- the spacer dispersion liquid droplet comes into contact with the alignment control projection, the droplet gradually moves around the alignment control projection, for example, by moving the center of the droplet toward the alignment control projection.
- the present inventor uses a saddle device or the like by providing a protrusion structure for controlling the arrangement of the spacer in the light shielding region in the liquid crystal display device along the pattern of the light shielding region in the liquid crystal display device.
- the spacer can be selectively placed in the light-shielding region of the liquid crystal display device.
- such a spacer structure for controlling the arrangement of the spacer is applied to a substrate for a liquid crystal display device used in a display mode in which no alignment control protrusion is provided, such as a vertical method or an IPS method.
- the inventors have found that it is effective for the selective placement control of the spacer in the light shielding region in the liquid crystal display device, and have come up with the idea that the above problem can be solved brilliantly.
- the present invention has been achieved.
- the present invention is a substrate for a liquid crystal display device including a light shielding region and a pixel region, and the liquid crystal display device substrate has a protruding structure in which a part of the pattern of the light shielding region in the liquid crystal display device is provided.
- it is a substrate for a liquid crystal display device provided in the light shielding region in the liquid crystal display device along the whole.
- the light blocking area in a liquid crystal display device is a non-display area formed by a black matrix (BM), a light blocking member such as a wiring, and is usually on the substrate surface so as to separate a plurality of pixel areas (display areas). It consists of a butterfly stretched around a net.
- BM black matrix
- a light blocking member such as a wiring
- the light shielding member for forming the light shielding region in the liquid crystal display device may be provided on the substrate for the liquid crystal display device provided with the protrusion structure for controlling the spacer arrangement of the present invention. It may be provided on the opposite substrate constituting the liquid crystal display panel so as to face each other, or may be provided on both of them.
- a protrusion structure (also referred to as a spacer arrangement control protrusion) provided in the light shielding region of the liquid crystal display device along a part or all of the pattern of the light shielding region in the liquid crystal display device.
- the spacer is provided for the purpose of selectively disposing the spacer in the light-shielding region of the liquid crystal display device.
- the alignment of the liquid crystal is controlled. You may have the function to do.
- the spacer arrangement control projection by providing the spacer arrangement control projection, even if the landing position of the droplet of the spacer dispersion liquid ejected by the ⁇ device is evenly shifted, it is higher than the ejection accuracy of the ⁇ ⁇ device.
- the spacer can be selectively placed in the light shielding area of the liquid crystal display device.
- VA vertical alignment
- the present invention can also be applied to a twisted nematic ( ⁇ ) method, a transverse electric field switching (IPS) method, and the like.
- the configuration of the substrate for a liquid crystal display device of the present invention is not limited to any other configuration as long as it includes the above-described features as essential and includes the components that the display device substrate normally has. Not particularly limited.
- the spacer arrangement control projection may be a continuum along the pattern of the light shielding region in the liquid crystal display device as long as it is provided along the pattern of the light shielding region in the liquid crystal display device as a whole. It may be a discontinuous body having a slit. In any form, it is possible to improve the placement accuracy of the spacer.
- the width of the slit The smaller the diameter is, the more preferable it is, but it is more preferable that it is smaller than the droplet diameter of the spacer dispersion liquid after landing on the substrate.
- the spacer arrangement control protrusion is a part or all of the light shielding region pattern on the substrate (liquid crystal display device substrate) on which it is formed, or a part of the light shielding region pattern on the counter substrate. Or it is preferable to be provided along the whole. Further, the spacer arrangement control protrusions are preferably provided on the entire surface of the substrate, and more preferably on the entire surface of the substrate. This makes it possible to produce a liquid crystal display panel with no cell gap unevenness.
- the material of the spacer arrangement control projection is lyophilic (ink-philic).
- the width of the spacer arrangement control projection is preferably smaller than the particle size of the spacer. As a result, the spacer can be prevented from being arranged on the spacer arrangement control protrusion.
- the cross-sectional shape of the spacer arrangement control projection is not particularly limited, and examples include a spire shape, a trapezoidal shape, and a square shape.
- the liquid crystal display device substrate constitutes a liquid crystal display device together with the counter substrate, and the protruding structure is located at a position in the light shielding region of the substrate (liquid crystal display device substrate) on which it is formed. It is preferable to be provided at a position corresponding to the provided force or within the light shielding region of the counter substrate. According to this, the projection force for spacer arrangement control is provided at a position in the area shielded by the light shielding member of the substrate for the liquid crystal display device or a position corresponding to the area shielded by the light shielding member of the counter substrate. Therefore, the spacer can be selectively placed in the light shielding region of the liquid crystal display device by a method using a saddle device or the like.
- the position may be a position corresponding to the light shielding region on the counter substrate. It may be a position corresponding to the outside of the light shielding area on the counter substrate.
- the position is It is preferable to be in a position corresponding to the light shielding region in the counter substrate.
- the liquid crystal display device substrate further includes an alignment control protrusion in at least a picture element region of the liquid crystal display device, and the spacer arrangement control protrusion is a light shielding region of the liquid crystal display device. It is preferably provided in the vicinity of the intersection between the outer edge and the alignment control protrusion.
- the spacer arrangement control protrusion is the intersection of the light shielding region and the alignment control protrusion in the liquid crystal display device.
- the spacer can be selectively disposed in the light shielding region in the liquid crystal display device.
- the spacer arrangement control protrusion and the alignment control protrusion may be provided integrally or may be provided separately from each other.
- the arrangement pattern of the alignment control protrusions is not particularly limited, and examples thereof include a continuous or discontinuous zigzag pattern provided on the entire surface of the substrate.
- the liquid crystal display device substrate further includes an alignment control protrusion in a pixel region at least in the liquid crystal display device substrate, and the spacer arrangement control protrusion is shielded from light on the liquid crystal display substrate. More preferably, it is provided in the vicinity of the intersection between the outer edge of the region and the alignment control protrusion.
- the liquid crystal display substrate further includes an alignment control protrusion in at least a picture element region of the counter substrate, and the spacer arrangement control protrusion is aligned with the outer edge of the light shielding region of the counter substrate and the alignment control. More preferably, it is provided in the vicinity of the intersection with the projection.
- the spacer arrangement control protrusion has substantially the same material force as the orientation control protrusion.
- the spacer arrangement control protrusion and the alignment control protrusion can be formed in the same process, and the manufacturing cost can be reduced.
- a photolithography process using a photosensitive resin material is preferably used as a method for forming the spacer arrangement control protrusion and the alignment control protrusion.
- the spacer arrangement control protrusions are provided in two or more rows with respect to the pattern of the light shielding region in the liquid crystal display device.
- the spacer arrangement control protrusions are provided in two or more rows with respect to the pattern of the light shielding region in the liquid crystal display device.
- two or more rows of spacer arrangement control protrusions are provided for each pattern. According to such a form, the effects of the present invention can be obtained more sufficiently.
- the interval between the rows is secured wider than the particle size of the spacers to be arranged.
- “above” in the specification of the present application includes the numerical value.
- the spacer arrangement control protrusions are provided in two or more rows with respect to the pattern of the light shielding region in the liquid crystal display substrate. Further, it is more preferable that the spacer arrangement control projections are provided in two or more rows with respect to the pattern of the light shielding region on the counter substrate.
- the liquid crystal display device substrate is preferably a color filter substrate. According to this, it is possible to provide a color filter substrate in which a spacer can be selectively arranged in an area shielded by BM or the like.
- the color filter substrate has, for example, three colored layers of red, green, and blue for each pixel, and a BM and a bank that separate the colored layers on the substrate. It has a substrate structure in which electrodes, alignment films, and the like are stacked. BM may also serve as a bank.
- the liquid crystal display device substrate is preferably a thin film transistor array substrate. According to this, it is possible to provide a thin film transistor array substrate in which a spacer can be selectively disposed in a region shielded from light by a wiring, a thin film transistor, or a BM of a counter substrate.
- a gate wiring and an auxiliary capacitance wiring are provided on the substrate, and a gate insulating film, a semiconductor layer, a source / drain wiring, a protective film (including a contact hole), a pixel electrode, and an alignment film are formed thereon.
- Etc. have a substrate configuration in which the above are stacked.
- the present invention also includes a liquid crystal display panel including the substrate for a liquid crystal display device and including a spacer in the vicinity of the spacer arrangement control protrusion, and a liquid crystal display including the liquid crystal display panel. It is also a device. According to such a liquid crystal display panel and a liquid crystal display device, the display characteristics are hardly deteriorated by the spacer, and the cell gap is stably held by the spacer. A liquid crystal display device can be provided. [0019] The present invention further relates to a method of manufacturing the liquid crystal display panel, wherein the liquid crystal display panel is manufactured by using a discharge device in the vicinity of the spacer arrangement control protrusion to disperse the spacer.
- the spacers can be intensively arranged in the light-shielding area of the liquid crystal display device in the vicinity of the spacer arrangement control projection, and the display characteristics by the spacers can be reduced. Deterioration can be prevented.
- the ejection device an ink jet device is suitable. According to this, since the fine droplet amount can be adjusted, the arrangement accuracy of the spacer can be further improved.
- the protrusion structure for the purpose of controlling the arrangement of the spacers in the liquid crystal display device along part or all of the pattern of the light shielding region in the liquid crystal display device. Since it is provided in the light-shielding region, the spacer can be selectively disposed in the light-shielding region in the liquid crystal display device also by a method using a spacer dispersion liquid using an ink jet device or the like.
- the droplets ejected by the ⁇ apparatus spread in a circular shape on the substrate, and the droplet diameter is sufficiently larger than the width of the black matrix ( ⁇ ; light-shielding region) that is the ejection target. After that, the droplets are gradually dried from the periphery, the diameter of the droplets decreases, and the spacers in the droplets gather at the center of the droplets.
- the discharged droplet was dried along the protruding structure close to the center position of the droplet immediately after landing.
- FIGS. 7 (a) to (c) and FIGS. 8 (a) to (c) when the center position of the droplet immediately after landing is close to the protruding structure 15a provided in the light shielding region, when the landing position of the liquid droplet is slightly deviated, the liquid droplet dries along the protruding structure 15a, so that the spacer 17 is placed at the target position. In this case, considering the discharge accuracy of the ⁇ device, it is almost impossible that the center position of the droplet immediately after landing is close to the protruding structure 15b provided in the pixel area. Arranging around the protruding structure 15b provided was almost impossible.
- FIG. 9 is a schematic plan view showing the configuration of the CF substrate used in Example 1.
- the CF substrate used in Example 1 is provided with rib-shaped alignment control projections 15b for the vertical alignment (VA) method mainly in the picture element region, and further, spacer arrangement control Protrusion 15a (width 4m, height 1m) has a structure provided in the light shielding area (width 20 ⁇ m) on BM11.
- the spacer arrangement control projection 15a is the same as the rib-like orientation control projection 15b. It is made of material and is integrally formed.
- the material for the spacer arrangement control protrusion 15a and the rib-like orientation control protrusion 15b is not particularly limited. However, even if photosensitive resin such as photosensitive acrylic resin or photosensitive polyimide resin is preferred, it is positive. A mold type photosensitive resin is more preferred.
- the cross-sectional shape of the spacer arrangement control projection 15a is not as accurate as the rib-like alignment control projection 15b.
- a small number of spacers 17 are arranged on the spacer arrangement control projection 15a. Even if it is done, the cell thickness unevenness which affects the display quality hardly occurs.
- the spacer 17 may be more sufficiently prevented from being arranged on the spacer arrangement control protrusion 15a by making the cross-sectional shape of the spacer arrangement control protrusion 15a into a spire shape or the like. . The same effect can be obtained by reducing the width of the spacer arrangement control projection 15a.
- the color layers 12a to 12c that compose the picture element area can be the three primary colors of red 'green' blue light or the other three colors, or more than three colors. It may be. Further, the arrangement of the colored layers 12a to 12c is not limited to the dot arrangement, and may be, for example, a stripe arrangement, a mosaic arrangement, a delta arrangement, or the like.
- the spacer dispersion liquid was discharged into the light-shielding region along the longitudinal direction of the picture element using a scissors apparatus.
- a dispersion of plastic beads 17 (particle size: 4.0 m) in a mixed dispersion medium 18 of ethylene glycol and water was used as the spacer dispersion.
- the material of the spacer 17 is not limited to plastic beads, and may be glass or silica.
- the surface of the spacer 17 may be formed with a fixing layer that may be colored or oriented.
- the dispersion medium 18 is not limited to a mixed dispersion medium of ethylene glycol and water, and may be appropriately selected according to the material of the spacer 17.
- the discharge device is not limited to the U device, and a dispenser device or the like may be used.
- FIGS. 10 (a) to 10 (c) are schematic cross-sectional views showing cut surfaces of line segments A and B of the CF substrate shown in FIG. 9, in which the spacer dispersion liquid lands and forces the spacers. The state until is placed is shown in order.
- the discharged droplets landed so as to straddle the spacer arrangement control protrusion 15a and the rib-like orientation control protrusion 15b.
- Maximum droplet size is approximately 60 / zm Met.
- the droplet was close to the center position of the droplet immediately after landing and gradually dried around the spacer arrangement control projection 15a. It was.
- the plastic beads 17 were selectively arranged in a region (non-display region) shielded from light by the BM11.
- the spacer can be arranged with high accuracy by the existing method using the scissors apparatus.
- the spacer arrangement control projections 15a are provided in two rows over the entire area of the light shielding area, there is no discharge deviation in the short side direction of the picture element of the device. Even if a slight occurrence occurred, as long as the center position of the liquid droplet immediately after landing was close to the spacer arrangement control projection 15a, it was found that most of the plastic beads 17 can be arranged in the light shielding area. Furthermore, as shown in FIG.
- the spacer arrangement control projection 15a since the spacer arrangement control projection 15a is continuously provided over the entire light shielding region, it is sufficient for the ejection deviation in the pixel longitudinal direction of the ⁇ apparatus.
- 11 to 14 are schematic plan views showing the configurations of the CF substrates used in Examples 2 to 5, respectively.
- the CF substrates used in Examples 2 to 5 were also arranged in a spacer so that a protruding structure serving as a starting point for drying the droplets existed in the landed droplets.
- the control protrusion 15a has a structure provided in the light shielding region. Therefore, even when these CF substrates are used, the landed dispersion liquid droplets of the spacer are dried along the spacer arrangement control protrusions 15a. Spacers could be selectively placed in the light shielding area.
- the number of spacer placement control projections 15a provided in the light shielding region is not particularly limited, as shown in these embodiment forces. . Further, the spacer arrangement control projection 15a may be connected over the entire surface or may have a slit. Thus, there is a protruding structure near the center position of the landed droplet. As long as the pattern is formed as described above, the pattern of the spacer arrangement control protrusion 15a is not particularly limited.
- FIG. 15 is a schematic plan view showing the configuration of the CF substrate used in Example 6.
- the CF substrate used in Example 6 has rib-shaped alignment control protrusions 15b for the VA method mainly provided in the pixel area, and on the BM11 where the spacer is dispersed.
- the spacer arrangement control projection 15a has a mixed structure with a non-existing area. Even with the CF substrate used in this embodiment, the spacer dispersion liquid droplets are landed only on the area where the spacer arrangement control projection 15a exists, so that the spacer is only in the light shielding area.
- the spacer arrangement control projection 15a could be placed selectively.
- the spacers were arranged on these CF substrates, and the manufactured liquid crystal display panel (liquid crystal display element) had excellent display characteristics.
- FIG. 16 is a schematic plan view showing the configuration of the thin film transistor (TFT) array substrate used in Example 7.
- FIG. 17 shows the configuration of a liquid crystal display panel manufactured using the TFT array substrate shown in FIG. It is a cross-sectional schematic diagram shown. Note that the TFT array substrate 100 in FIG. 17 corresponds to a cut surface along line CD of the TFT array substrate shown in FIG.
- a continuous spacer arrangement control projection 25a (width 4 m, height 1 / zm) is shielded by the source wiring 21b. Although it is outside the region to be formed, it is provided in two rows in the light shielding region (width 20 m) formed by the BM11 of the CF substrate 200. Also in this embodiment, the spacer 17 can be placed in the non-display area with high accuracy by the existing method of discharging the spacer dispersion liquid to the TFT array substrate 100 using the U device. did it. Therefore, the liquid crystal display panel (liquid crystal display element) manufactured using the TFT array substrate 100 had excellent display characteristics.
- FIG. 5 is a schematic cross-sectional view sequentially showing how the spacers are arranged.
- the dotted line in the figure indicates the center of the droplet when it has landed on the substrate, and the white arrow indicates the shape change of the droplet.
- FIG. 6 is a schematic cross-sectional view sequentially showing the state until the is placed.
- the dotted line in the figure indicates the center of the droplet when it has landed on the substrate, and the white arrow indicates a change in the shape of the droplet.
- FIG. 7 When the spacer dispersion liquid is ejected onto the CF substrate where the projection structure exists in each of the light shielding area and the pixel area, the dispersion liquid drops and the force spacer is arranged. It is a cross-sectional schematic diagram which shows the state up to this in order. The dotted line in the figure indicates the center of the droplet when it has landed on the substrate, and the white arrow indicates the shape change of the droplet.
- FIG. 8 When the spacer dispersion liquid is ejected onto the CF substrate where the projection structure exists in each of the light shielding area and the pixel area, the dispersion liquid droplets land and the force spacer is arranged.
- It is a cross-sectional schematic diagram which shows the state up to this in order.
- the dotted line in the figure indicates the center of the droplet when it has landed on the substrate, and the white arrow indicates the shape change of the droplet.
- FIG. 9 is a schematic plan view showing the configuration of the CF substrate used in Example 1.
- FIG. 10 (a) to (c) are schematic cross-sectional views showing a cut surface of the CF substrate shown in FIG. 9 along the line A-B. The situation until is placed is shown in order. The dotted line in the figure indicates the center of the droplet when it has landed on the substrate.
- FIG. 11 is a schematic plan view showing the configuration of the CF substrate used in Example 2.
- FIG. 12 A schematic plan view showing the configuration of the CF substrate used in Example 3.
- FIG. 13 is a schematic plan view showing the configuration of the CF substrate used in Example 4.
- FIG. 14 is a schematic plan view showing the configuration of the CF substrate used in Example 5.
- FIG. 15 is a schematic plan view showing the configuration of the CF substrate used in Example 6.
- FIG. 16 is a schematic plan view showing a configuration of a thin film transistor (TFT) array substrate used in Example 7.
- TFT thin film transistor
- FIG. 17 is a schematic cross-sectional view showing the configuration of a liquid crystal display panel manufactured using the TFT array substrate shown in FIG. Note that the TFT array substrate 100 in the figure corresponds to a cut surface along line C 1 D of the TFT array substrate shown in FIG.
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Abstract
Description
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Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006542270A JP4509120B2 (ja) | 2004-11-02 | 2005-09-05 | 液晶表示装置用基板 |
| US11/664,960 US7701545B2 (en) | 2004-11-02 | 2005-09-05 | Substrate for liquid crystal display devices |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004-319687 | 2004-11-02 | ||
| JP2004319687 | 2004-11-02 |
Publications (1)
| Publication Number | Publication Date |
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| WO2006048973A1 true WO2006048973A1 (ja) | 2006-05-11 |
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| PCT/JP2005/016243 Ceased WO2006048973A1 (ja) | 2004-11-02 | 2005-09-05 | 液晶表示装置用基板 |
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| Country | Link |
|---|---|
| US (1) | US7701545B2 (ja) |
| JP (1) | JP4509120B2 (ja) |
| WO (1) | WO2006048973A1 (ja) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006227590A (ja) * | 2005-01-19 | 2006-08-31 | Sekisui Chem Co Ltd | 液晶表示装置の製造方法 |
| WO2007111102A1 (ja) * | 2006-03-27 | 2007-10-04 | Sharp Kabushiki Kaisha | 液晶表示装置及び液晶表示装置の製造方法 |
| JP2007310321A (ja) * | 2006-05-22 | 2007-11-29 | Ulvac Japan Ltd | スペーサ付き基板の製造方法及び液晶表示装置の製造方法 |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006043545A1 (ja) * | 2004-10-19 | 2006-04-27 | Ulvac, Inc. | スペーサ形成方法及びスペーサ形成装置 |
| TW200801654A (en) * | 2006-06-19 | 2008-01-01 | Au Optronics Corp | Liquid crystal display device and method for manufacturing the same |
| KR101296653B1 (ko) * | 2007-10-05 | 2013-08-14 | 엘지디스플레이 주식회사 | 액정 표시 장치 및 이의 제조 방법 |
| KR20110100741A (ko) * | 2010-03-05 | 2011-09-15 | 삼성전자주식회사 | 표시패널 및 그 제조방법 |
| TWI422910B (zh) * | 2010-04-27 | 2014-01-11 | Au Optronics Corp | 液晶顯示面板 |
| US20130258257A1 (en) * | 2012-03-28 | 2013-10-03 | Shenzhen China Star Optoelectronics Technology Co Ltd. | Liquid Crystal Display Panel, Method for Making the Panel, and Liquid Crystal Display Device |
Citations (3)
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| JPH07175049A (ja) * | 1993-12-21 | 1995-07-14 | Sanyo Electric Co Ltd | 強誘電性液晶表示セル |
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|---|---|---|---|---|
| JPS5758124A (en) | 1980-09-26 | 1982-04-07 | Hitachi Ltd | Manufacture of liquid-crystal display element |
| JPH05303102A (ja) | 1992-04-27 | 1993-11-16 | Kawaguchiko Seimitsu Kk | スペーサーの形成方法 |
| JPH05333346A (ja) | 1992-06-02 | 1993-12-17 | Sharp Corp | 液晶表示装置およびその製造方法 |
| WO1997036205A1 (fr) | 1996-03-22 | 1997-10-02 | Hitachi, Ltd. | Dispositif d'affichage couleur a cristaux liquides et sa fabrication |
| JP2002372717A (ja) | 2001-06-15 | 2002-12-26 | Matsushita Electric Ind Co Ltd | 液晶表示装置及びその製造方法 |
| JP4041336B2 (ja) * | 2001-06-29 | 2008-01-30 | シャープ株式会社 | 液晶表示装置用基板及びそれを備えた液晶表示装置及びその製造方法 |
| JP2004170537A (ja) * | 2002-11-18 | 2004-06-17 | Micro Jet:Kk | 液晶表示装置の製造方法 |
| TW200506469A (en) | 2003-06-13 | 2005-02-16 | Sekisui Chemical Co Ltd | Method for manufacturing liquid crystal display |
-
2005
- 2005-09-05 US US11/664,960 patent/US7701545B2/en not_active Expired - Fee Related
- 2005-09-05 WO PCT/JP2005/016243 patent/WO2006048973A1/ja not_active Ceased
- 2005-09-05 JP JP2006542270A patent/JP4509120B2/ja not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07175049A (ja) * | 1993-12-21 | 1995-07-14 | Sanyo Electric Co Ltd | 強誘電性液晶表示セル |
| JPH09105946A (ja) * | 1995-10-13 | 1997-04-22 | Toshiba Corp | 液晶表示素子及びその製造方法 |
| JP2005004094A (ja) * | 2003-06-13 | 2005-01-06 | Sekisui Chem Co Ltd | 液晶表示装置の製造方法 |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006227590A (ja) * | 2005-01-19 | 2006-08-31 | Sekisui Chem Co Ltd | 液晶表示装置の製造方法 |
| WO2007111102A1 (ja) * | 2006-03-27 | 2007-10-04 | Sharp Kabushiki Kaisha | 液晶表示装置及び液晶表示装置の製造方法 |
| JP2007310321A (ja) * | 2006-05-22 | 2007-11-29 | Ulvac Japan Ltd | スペーサ付き基板の製造方法及び液晶表示装置の製造方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4509120B2 (ja) | 2010-07-21 |
| JPWO2006048973A1 (ja) | 2008-05-22 |
| US7701545B2 (en) | 2010-04-20 |
| US20090009709A1 (en) | 2009-01-08 |
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