JPH0784241A - Liquid crystal panel and manufacturing method thereof - Google Patents

Abstract

PURPOSE:To disperse a coloring material selected from black dyes or pigments in a partition member by specifying the partition member. CONSTITUTION:A pair of substrates at least one of which is transparent are disposed facing to each other in such a manner that stripe electrodes on the substrates are perpendicular to each other. The void on the one stripe electrode substrate makes an almost straight tunnel separated from the adjacent voids with partition walls. This tunnel is filled with a liquid crystal. The partition member consists of a resin expressed by formulae I-III, containing at least compds. of formulae I and II and one or more kinds of compds. of formula III. The partition member consists of a copolymer of such a monomer compsn. containing 10-25 pts.wt. compd. of formula I, 10-30 pts.wt. compd. of formula II, and 40-80 pts.wt. compd. of formula III. A black coloring compsn. is also included in the partition member. In formulae I-III, R1 is H or CH3 and R3 is an acryl group of 1-5 carbon number. This partition member is formed by coating a resin compsn. essentially comprising acryl resin, photopolymerizable monomer, photosensitive material and solvent, exposing the resin to light, developing, and heating.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a liquid crystal panel used for liquid crystal displays for office automation and home use, and more particularly to one using a ferroelectric liquid crystal or an antiferroelectric liquid crystal.

[0002]

2. Description of the Related Art Liquid crystal displays
play (hereinafter referred to as LCD) is widely used as a display device or decoration for measuring instruments such as pocketable calculators and testers, and a device for displaying figures and characters on a flat surface for POP because it is lightweight and thin. Recently, it is also used as a large-capacity thin terminal display for televisions, personal computers and workstations, which displays moving images in full color by using thin film transistors.

Typical of the origin of the shutter property in these is a twisted nematic type using a nematic layer, a super twisted nematic type and a type using a chiral smectic phase of a ferroelectric liquid crystal or an antiferroelectric liquid crystal. About these books ((1)
"Liquid Crystal", edited by Kobayashi and Okano: Baifukan, 1985, (2)
"Structure and Physical Properties of Ferroelectric Liquid Crystal" Fukuda and Takezoe Co., Ltd.
Corona Company, 1990, (3) "Next Generation Liquid Crystal Displays and Liquid Crystal Materials" Supervised by Fukuda: CMC Corporation 1992
Year)). Particularly, the latter is Clark et al. (JP-A-56-107216, U.S. Pat. No. 436792).
No. 4), the TFT (Thin f
It is expected that a large capacity display will be possible with a simple matrix without using an active element such as an ilm transistor), and commercialization is in progress.

However, ferroelectric liquid crystal (FLC: ferr)
In order to put a display (FLCD) using an o-electric liquid crystal (AFLC) or an anti-ferroelectric liquid crystal (AFLC) into practical use, the two problems described in the above document (3) are overcome. It is necessary to. One is the development of manufacturing technology for panels with excellent earthquake resistance and impact resistance, and the other is the establishment of a defect-free orientation control method for chiral smectic C phase (hereinafter, SmC ^* ). Since the present invention directly relates to the former, first,
The structure of the panel according to the prior art (see FIG. 3) and this
The problems when applied to the LCD panel will be briefly described.

The cell gap of the nematic liquid crystal panel is approximately 5 to 10 μm. In this case, a thermosetting resin such as epoxy resin having a width of 2 to 3 is formed as a seal portion 300 around the display portion of one panel by a screen printing method.
After printing in mm, the periphery of the counter substrate is mechanically pressure-bonded and heat-cured to bond the top and bottom. Since the center portion of the panel is thinned as it is, spacer members 301 made of glass fibers, glass beads or organic resin particles are evenly dispersed inside the panel in order to maintain the gap. The deviation of the cell gap is about 0.5 μm, but there is no problem visually or in driving.

However, in this method, since the spacer members are scattered on the pixel electrodes at a constant frequency, FL
In C, orientation error may be induced during driving. Another problem is that impurities cannot be mixed during the process such as spraying spacers, but the cleaning cannot be performed. If the cell gap is thick, fine dust and the like, which is not a problem, will be reduced in panel manufacturing yield if it cannot be washed if it is as narrow as about 2 μm as in the FLCD.
As an example of means other than spraying, it is possible to form a fine spacer member in the non-pixel portion by a photolithography method.
It is disclosed in JP-A 1-228420.

However, in any case, in this structure, the upper and lower substrates are not bonded except for the seal portion 300. Therefore, when the printing pressure is locally applied, gradual unevenness is generated in the cell and the liquid crystal in the cell flows, and when the printing pressure is stopped, the cell and the liquid crystal layer return to the original state. Since the nematic liquid crystal has a high fluidity, even if such a flow occurs, the alignment state returns to the original state and no problem occurs. Even when carried in a portable type or used in the office on a daily basis, a certain amount of shock or physical stress is applied to the panel, and the panel is slightly deformed. Even in such a case, there is no problem because a temporary liquid crystal flow change occurs, but the liquid crystal reversibly returns.

On the other hand, when the FLC or AFLC is sealed in the cell having the structure shown in FIG. 3, when the cell is deformed by the local printing pressure or impact to cause the liquid crystal to flow, a layer structure (smectic-specific layer structure ( 4 (a) chevron structure or (b) bookshelf structure) is disturbed and cannot be restored. In this case, it is necessary to heat the liquid crystal layer to the isotropic phase again, cool it, and re-align it, but this is impossible in practice. Therefore, it is necessary to have a structure of a panel which is excellent in seismic shock resistance and does not cause excessive flow of liquid crystal against printing pressure or shock.

As a method of providing this, one of the substrates is
A method of forming an adhesive member in the form of a fine pattern by a photolithography method and adhering upper and lower substrates is disclosed in Japanese Patent Laid-Open No. 62-969.
No. 25, and Japanese Patent Laid-Open No. 62-118323. The pattern of the adhesive member can be variously selected within a range that does not hinder the display, but according to the experiments of the present inventor, a linear shape (partition wall) is a preferable form. The reason for this is that if there is periodic deformation, the distortion due to it accumulates in the liquid crystal layer, or when the liquid crystal is enclosed, the flow does not become linear but meanders, which is semi-permanently stored as an interaction between the alignment film and the liquid crystal. It is presumed to be done.

When a linear partition is formed between the electrodes and the upper and lower substrates are pressure-bonded to each other by a suitable means, the void on one electrode between the substrates is linearly separated from the adjacent void. It becomes the tunnel (Fig. 1). When the liquid crystal enters the tunnel surrounded by the partition walls at an appropriate speed, the accumulation of strain and the memory of meandering due to the turbulence of the flow do not occur. Even when SmC ^* is obtained from the high temperature phase by cooling, the volume change occurs along the tunnel and there is little mutual interference. Therefore, it is possible to provide a FLC panel having no defects.

The characteristics of the member for partition walls depend on the method of forming the member pattern, but they are required to have coating suitability, appropriate rigidity, strong adhesive strength, heat resistance and light resistance, and are photopolymerizable in the photolithography method. There is also a need. Various usable materials include various photoresists, polymer compounds capable of mask patterning, and inorganic compounds, and they were selected from photoresists in view of workability. There are AZ series of Shipley Co., Ltd. and OMR series of Tokyo Ohka Kogyo Co., Ltd. as photoresists, and Nippon Synthetic Rubber Co., Ltd. also provides them.

[0012]

Generally, in order to improve the adhesion between the base substrate and the photoresist partition member,
A surfactant such as a silane coupling material was coated, but this could not be used in FLCD because it may cause global uneven alignment. On transparent electrode (IT
O) is provided with an insulating layer selected from SiO ₂ , Al ₂ O ₃ or the like for preventing short circuit, but if this is done, the adhesion may decrease and the upper and lower substrates may gradually peel off. Another problem is that low-molecular compounds and unreacted substances contained in the material, residual diluting solvent, etc. elute into the liquid crystal, causing disordered orientation and changes in response characteristics. The stripe-shaped partition wall portion also serves as a light absorption layer (light-shielding layer), but this is 100% effective in the case of a perfect cross-polarizer. Generally, in order to increase the contrast, a polarizing plate is arranged slightly offset from the cross polarizer. In this case, since the light-shielding property is reduced, it is desirable to disperse a coloring substance selected from black dyes or pigments in the partition material. However, there is a problem that the solubility and dispersibility of the coloring material is low and the coloring material cannot be used.

[0013]

According to the present invention, in order to achieve the above-mentioned object, at least one of the stripe electrodes on a transparent substrate is arranged so as to face each other so as to be substantially orthogonal to each other. A liquid crystal panel in which a void is a substantially linear tunnel separated from the adjacent void by a partition wall, and a liquid crystal is filled in the tunnel,
The partition member is (Chemical formula 1), (Chemical formula 2), (Chemical formula 3),
A resin containing at least (Chemical formula 1) and (Chemical formula 2), and (Chemical formula 3) is one or more, and the composition ratio thereof is (Chemical formula 1) 10 to 25 parts by weight, (Chemical formula 2) 10 to 30 A liquid crystal panel characterized by being a copolymer having a monomer composition of 40 to 80 parts by weight of (Chemical Formula 3) and containing a black coloring composition in the partition member. Further, the present invention provides a method for manufacturing a liquid crystal panel, wherein the partition member is formed by coating, exposing, developing and heating a resin composition containing an acrylic resin, a photopolymerizable monomer, a photosensitive material and a solvent as main components. To do.

The structure of an FLCD panel having a partition according to the present invention will be described with reference to the drawings. FIG. 1 is a perspective sectional view of a monochrome panel. Transparent glass substrate 110, 120
ITO electrodes 100 and 105 having a stripe shape are formed on the above. Further, in order to prevent a short circuit between the upper and lower electrodes, an insulating film 107 of SiO ₂ or Al ₂ O ₃ is provided on at least one of the electrodes.

The electrode has a thickness of 1000Å and a width of 200 to 3
00 μm is preferable, and the distance 103 between the electrodes is preferably as narrow as possible in order to increase the transmittance.
About μm is preferable.

In order to obtain the SmC ^* alignment layer, an alignment film 102 obtained by rubbing a polymer organic thin film formed of polyimide, polyamide, polyamideimide, polyvinyl alcohol or the like is formed on at least one surface. There is.

The partition wall may be formed on the alignment film, or if there is a problem, the alignment film is removed by mask patterning.
It may be provided directly on the TO or the insulating film. The adhesion of the rubber-based negative resist and the novolac-based positive resist to the substrate tended to weaken in the order of ITO> SiO ₂ > polyimide.

Even when the color filter 201 having good flatness is provided, the partition layer may be provided on either side. One structural example in this case is shown in FIGS. 2A and 2B, but which is preferable depends mainly on workability and characteristics and productivity of the obtained panel. According to the experiments conducted by the present inventor, it is preferable to provide the filter on the opposite side of the color filter from the viewpoint of workability. In particular, when the light shielding layer was made of the same material as the partition material on the opposite side, the same material was partially adhered, and the strength was further excellent.

In the present invention, regardless of the presence or absence of a color filter, a linear partition for filling the gap between the stripe electrodes of either one of the substrates is formed of a material capable of forming a pattern, and the upper and lower sides thereof are adhered to each other. As a result, a form is obtained in which the voids on the electrode are separated from the adjacent voids by the partition wall.

To form the partition pattern, it may be directly transferred to the substrate or may be etched. It is selected according to the fineness of the pattern, but the former is preferable for a line width of 50 μm or more and etching is preferable for a line width of 50 μm or less. In the latter case, the partition member is coated, but it is appropriately selected from spin coating and roll coating.

The means for uniformly pressurizing and contacting the upper and lower substrates is described in JP-A-62-96925, so a detailed description thereof will be omitted, but it is preferable to use atmospheric pressure. Generally, the material to be patterned does not have adhesiveness. However, for polymer compounds, once the temperature is raised to the softening point and then returned to room temperature, the adhesiveness can be exhibited although it has strength, so it is suitable for FLCD. A material with the desired properties is selected. As another material, a low melting point metal such as indium can also obtain the same effect. In addition, it is necessary that the partition member has appropriate rigidity. Since the pressure is applied near the softening point, it is not preferable that it be crushed. In addition, if it is too rigid at room temperature, it is not preferable. May peel off when stress is applied to the panel.

The acrylic resin as the partition member according to the present invention has strong adhesiveness, appropriate rigidity, light resistance and heat resistance. The acrylic resin monomer in (Chemical formula 1) shows acrylate acid when R is H, methacrylic acid when R is CH ₃ , hydroxyethyl methacrylate in (Chemical formula 2), and R in (Chemical formula 3). For H, methyl, ethyl, pripyr, isopropyl, butyl, isobutyl,
R is CH representing each acrylate of amyl and isoamyl
_In the case of ₃ , each methacrylate is shown.

Further, when synthesizing acrylic resins having these compositions, a small amount of them can be added to change the characteristics of the monomers, such as benzyl acrylate, phenyl acrylate, glycidyl methacrylate, acrylonitrile, vinyl acetate, tetrahydrofurfuryl methacrylate, etc. However, it may be added. The acrylic resin can be obtained by copolymerizing the above (Chemical formula 1) (Chemical formula 2) (Chemical formula 3). The compounding ratio of these (Chemical Formula 1), (Chemical Formula 2) and (Chemical Formula 3) is 10 to 25 parts by weight of (Chemical Formula 1) and (Chemical Formula 2) 1
0 to 30 parts by weight and (Chemical Formula 3) 40 to 80 parts by weight.

This resin is used in the photopolymerization method. As the solvent to be dissolved, methyl cellosolve, ethyl cellosolve, etc. may be used, or a mixture thereof may be used, but ethyl cellosolve is particularly preferable from the viewpoint of solubility and coating property. In photopolymerization, another monomer and a polymerization initiator are added.

As the monomer, there are bifunctional and polyfunctional monomers, but as the bifunctional monomer, 1,6-hexanediol diacrylate, ethylene glycol diacrylate, neopentyl glycol, diacrylate, triethylene glycol diacrylate and bis. There are (acryloxyethoxy) bisphenol A, 3-methylpentanediol diacrylate, etc., and trimethylolpropane triacrylate, tris (2-hydroxyethyl) isocyanate, dipentaerythritol hexaacrylate, dipentaerythritol pentaacrylate as polyfunctional monomers. Etc. These monomers are
Showa High Polymer Co., Ltd., Toagosei Chemical Industry Co., Ltd., Celanese Chemical Co., Ltd., Nippon Kayaku Co., Ltd. have commercial products. As the photopolymerization initiator, there are acetophenone, benzophenone, benzyl dimethyl ketal, benzoyl peroxide, 2-chlorothioxanthone, imidazole compounds, etc., Daito Chemical Industry Co., Ltd., Shin Nisso Kako Co., Ltd., Ciba Geigy, There are commercial products such as Osaka Organic Chemical Industry Co., Ltd.

Examples of the imidazole compound include 2-
(2,3-Dichlorophenyl) -4,5-diphenyl-
Imidazole dimer, 2,-(2,3 dichlorophenyl) -4,5-bis (3-methoxyphenyl) -imidazole dimer, 2- (2,3-dichlorophenyl)-
4,5-bis (4-methoxyphenyl) -imidazole dimer, 2- (2,3-dichlorophenyl) -4,5-
Bis (4-chlorophenyl) -imidazole dimer, 2
-(2,3-Dichlorophenyl) 4,5-di (2-furyl) -imidazole, 2,2'-bis (2-chlorophenyl) -4,5,4 ', 5'-tetraphenyl-1-
2'-biimidazole, HB22 (Hodogaya Chemical Co., Ltd.)
Manufactured) etc.

As the black colorant added to have a light-shielding property, a pigment having excellent heat resistance and light resistance (for example, an inorganic pigment of carbon black, an organic pigment of color index number 7) is desirable. The primary particle size of the pigment is
It is 0.3 μm or less, preferably 0.1 μm or less, which is sufficiently smaller than the visible light wavelength.

The dispersant used for improving the dispersibility in the acrylic resin is preferably an organic dye derivative. Examples of the base organic dye include azo type, quinacridone type, anthraquinone type, perylene type, perinone type and phthalocyanine type. A derivative having a substituent in these organic dyes and effective in dispersing the dye is used. Examples of the substituent include a hydroxyl group, a carboxyl group, a sulfonic acid group, a carbonamide group, a sulfonamide group and the like. Among the black pigments used by the inventor of the present invention, the phthalocyanine derivative was preferable.

A solvent, a pigment, a dispersant, a polymerization initiator, and an acrylic monomer are added to an acrylic resin in appropriate amounts and they are sufficiently kneaded with a three-roll mill or the like to prepare a black composition. The coating method can be appropriately selected from spin coating and roll coating.

As a method of manufacturing a liquid crystal panel according to the present invention, a partition pattern is directly drawn on a substrate by an offset printing method. It may be the above-mentioned photopolymerizable composition or a composition obtained by removing the polymerization initiator, the bifunctional and polyfunctional monomers from the composition. In this case, carbitol acetate or ethyl carbitol having a high boiling point is suitable as the solvent for the acrylic resin. Even when a black pigment is added, the amount of the solvent is adjusted to a resin viscosity suitable for offset printing, preferably 200 to 600 cp. Although detailed conditions are omitted, it is easy to set the film thickness to about 2 μm.

[0031]

When the acrylic resin of the present invention is used as a partition member, the upper and lower substrates can be reliably bonded to each other to form a chemically stable tunnel without leakage. The flow of the liquid crystal layer is not disturbed, and it is possible to prevent the volume change due to the phase change and the cooling from being limited to the individual electrodes of each tunnel and interfering with each other.

[0032]

EXAMPLES Examples will be described below. All mixing ratios are weight ratios.

<Example 1> 20 parts of methacrylic acid, 15 parts of hydroxyethyl methacrylate, 10 parts of methyl methacrylate and 55 parts of butyl methacrylate were dissolved in 300 parts of ethyl cellosolve, and 0.75 parts of azobisisobutyl nitrile under a nitrogen atmosphere. In addition, an acrylic resin was obtained by reacting at 70 ° C. for 5 hours. This was diluted with ethyl cellosolve so that the resin concentration was 10%. Further, the resin 10
To 0 g, 7.0 g of trimethylolpropane acrylate (monomer), 1.5 g of 4,4′-diethylaminobenzophenone were added and well stirred to give a photoreactive composition.

A set of transparent substrates 110 and 120 is obtained by optically polishing an A4 size glass substrate having a thickness of 1.1 mm and processing the flatness of the surface to within 2 μm. 1000 on transparent substrate
The ITO film of Å is formed by sputtering, and the line width is 280 μm and the pitch is 310 μ according to the standard photolithography method.
640 stripe-shaped ITO electrodes having a length of m and the same as the longitudinal length of the substrate were formed. This substrate 110 was spin-coated with a reactive composition (1100 rpm / 40 seconds) and dried. After prebaking at 70 ° C. for 20 minutes, a 5% solution of polyvinyl alcohol was coated. After drying at 70 ° C. for 20 minutes, FIG.
It was exposed by an ultra-high pressure mercury lamp using a mask of the pattern.
After development with a 2.5% sodium carbonate solution, the product was thoroughly washed with ultrapure water. As a result, the stripe-shaped width between the electrodes is approximately 30 μm.
, A transparent partition wall member is formed, and a thick line width adhesive portion is provided in the peripheral portion.

Polyimide resin HL1110 is used as the counter substrate.
(Hitachi Chemical Co., Ltd.) 2% solution was spin-coated at 1000 rpm for 20 seconds, and then about 1 in a 180 ° oven.
Dried for hours. After the rubbing treatment, the rubbing directions were overlapped with each other so that the rubbing direction was substantially parallel to the partition members 500 and 101, and were temporarily adhered. The inside of the panel 503 was degassed by setting the jig on an atmospheric pressure pressurizing jig (structure is not shown) as it was, and the panel was completely adhered by the atmospheric pressure. It was placed in an oven while the pressure was reduced and the temperature was raised to 230 ° C. at a rate of 5 ° C./1 minute and kept for 2 hours. Then, the mixture was slowly cooled and returned to a constant pressure at room temperature. As a result, a panel having a cell gap having a cell gap of 1.8 μm and having a partition wall group in which upper and lower substrates were completely bonded was manufactured. The perimeter of the panel was fixed with epoxy resin etc. to make it more excellent in earthquake resistance, shock resistance and sealing.

This was set in a vacuum heating furnace and 10 mmH
After the pressure was reduced to g, the temperature was raised to 90 ° C., and a liquid crystal useless with FLC liquid crystal CS1014 (manufactured by Chisso Corporation) was provided with a sealing port, and the sealing port was blocked with liquid crystal. Maintaining this state, the liquid crystal penetrated into the panel at a speed of about 1.5 cm / 1 hour. After the liquid crystal is completely filled in, the temperature is returned to room temperature in about 3 hours to obtain a SmC ^* phase having no zigzag defects. In this panel, the substrate surface is 10 Kg / cm ² with a finger or pen tip.
There was no change in the alignment state even when pressed with or when a corner of the panel was hit. The same was true in the wiring and other handling steps.

<Example 2> 20 parts of methacrylic acid, 15 parts of hydroxyethyl methacrylate, 10 parts of methyl methacrylate, and 55 parts of butyl methacrylate were dissolved in 300 parts of ethyl cellosolve, and 0.75 parts of azobisisobutyl nitrile under a nitrogen atmosphere. In addition, an acrylic resin was obtained by reacting at 70 ° C. for 5 hours. This was diluted with ethyl cellosolve so that the resin concentration was 10%. 90g of this diluted resin
In contrast to the trade name Raven 1020B (C.I. No. 77)
266) black pigment 9 g, phthalocyanine-based dispersion material 0.
9 g was added, and the mixture was sufficiently kneaded with a three-roll mill to prepare a black varnish. Further, 56.1 g of the black resin is mixed with pentaerythritol hexaacrylate (monomer) 3.
22 g, sensitizer diethylaminobenzophenone 1.28
87 g, initiator imidazole 0.644 g, cyclohexane 38.7 g as a solvent, and surfactant 0.05 g were added and kneaded well to obtain a photoreactive black composition.

A set of transparent substrates 110 and 120 was obtained by optically polishing an A4 size 1.1 mm thick glass substrate to a flatness of 2 μm or less. 1000 on transparent substrate
The ITO film of Å is formed by sputtering, and the line width is 280 μm and the pitch is 310 μ according to the standard photolithography method.
640 stripe-shaped ITO electrodes having a length of m and the same as the longitudinal length of the substrate were formed. This substrate 101 was spin-coated with a reactive resin (1100 rpm / 40 seconds) and dried. After prebaking at 70 ° C. for 20 minutes, a 5% solution of polyvinyl alcohol was coated. After drying at 70 ° C. for 20 minutes, FIG.
It was exposed by an ultra-high pressure mercury lamp using a mask of the pattern.
After development with a 2.5% sodium carbonate solution, the product was thoroughly washed with ultrapure water. As a result, a stripe-shaped black partition member was formed between the electrodes, and a thick line width adhesive portion was provided in the peripheral portion. Then, a panel was prepared by the same procedure as in Example 1 and FLC was enclosed. Also in this case, strong adhesiveness was obtained.

Example 3 The acrylic resin synthesized by the procedure of Example 1 was diluted with ethyl carbitol to give a viscosity of 40.
A 0 cp composition was obtained. This was spread on a TAP plate for offset printing having the same pattern as in Example 1 but having a partition line width of 70 μm, and transferred onto a transparent substrate via a blanket. Since the film thickness in one transfer was about 1.2 μm, it was repeated twice. Then, it was dried at 120 degrees for 30 minutes. Thereafter, when they were laminated in the same manner as in Example 1, an FLC panel having a cell gap of 2 μm and a line width of 80 μm was obtained.

[0040]

EFFECTS OF THE INVENTION According to the present invention, since the upper and lower substrates are bonded flexibly and reliably even in a large area, they are excellent in earthquake resistance and shock resistance, and do not deteriorate the alignment of the liquid crystal, and have light resistance and durability. Also, an excellent FLCD panel can be provided.

[0041]

[Brief description of drawings]

FIG. 1 is a perspective sectional view of a tunnel portion separated by a partition wall according to the present invention.

FIG. 2 is a cross-sectional view of another two forms of a tunnel part separated by a partition according to the present invention.

FIG. 3 is a cross-sectional view showing a structure of a conventional liquid crystal panel.

FIG. 4 is a diagram schematically showing the structure of an SmC ^* layer.

FIG. 5 is a diagram illustrating an outline of patterns of a partition member and a seal portion.

[Explanation of symbols]

 100, 104 ... ITO electrodes 101 ... Partitions formed between electrodes 102 ... Alignment film 103 ... Distance between adjacent ITO electrodes 105 ... Insulating films 110, 120 ... Opposing substrate 201 ... Color filter 300 ... Adhesive part also serving as seal part 301 ... Spacer 303 ... Liquid crystal 400 ... One way of "ku" 401 ... Another way of "ku" 501 ... Adhesive member of fine pattern 503 ... Inside panel

Front Page Continuation (72) Inventor Katsuhiro Suzuki 1-5-1 Taito, Taito-ku, Tokyo Toppan Printing Co., Ltd.

Claims (3)

[Claims] 1. A substantially linear shape in which stripe-shaped electrodes on at least one transparent substrate are opposed to each other so as to be substantially orthogonal to each other, and voids on one of the striped electrodes are separated from adjacent voids by partition walls. In a liquid crystal panel in which a liquid crystal is filled in the tunnel,
The partition member is [Chemical 2] [Chemical 3] Is a resin containing at least (Chemical formula 1) and (Chemical formula 2), and (Chemical formula 3) is a resin containing one or more thereof, and its composition ratio is (Chemical formula 1) 10 to 25 parts by weight, (Chemical formula 2) 10 to
A liquid crystal panel, which is a copolymer having a monomer composition of 30 parts by weight and 40 to 80 parts by weight of (Chemical Formula 3). 2. The liquid crystal panel according to claim 1, wherein the partition member contains a black coloring composition. 3. A method of manufacturing a liquid crystal panel, wherein the partition member is formed by coating, exposing, developing and heating a resin composition containing an acrylic resin, a photopolymerizable monomer, a photosensitive material and a solvent as main components. .