WO2011122026A1 - 光硬化性組成物 - Google Patents
光硬化性組成物 Download PDFInfo
- Publication number
- WO2011122026A1 WO2011122026A1 PCT/JP2011/001923 JP2011001923W WO2011122026A1 WO 2011122026 A1 WO2011122026 A1 WO 2011122026A1 JP 2011001923 W JP2011001923 W JP 2011001923W WO 2011122026 A1 WO2011122026 A1 WO 2011122026A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- carbon atoms
- group
- bond
- alkyl group
- alkyl
- Prior art date
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- 239000000203 mixture Substances 0.000 title claims abstract description 76
- 239000000843 powder Substances 0.000 claims abstract description 23
- -1 oxime ester compound Chemical class 0.000 claims abstract description 22
- 239000003999 initiator Substances 0.000 claims abstract description 14
- 239000000178 monomer Substances 0.000 claims abstract description 13
- 239000011230 binding agent Substances 0.000 claims abstract description 12
- VYOKOQDVBBWPKO-UHFFFAOYSA-N 1-nitro-9h-carbazole Chemical group N1C2=CC=CC=C2C2=C1C([N+](=O)[O-])=CC=C2 VYOKOQDVBBWPKO-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000010410 layer Substances 0.000 claims description 84
- 125000004432 carbon atom Chemical group C* 0.000 claims description 52
- 125000000217 alkyl group Chemical group 0.000 claims description 40
- 125000003118 aryl group Chemical group 0.000 claims description 32
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- 125000003710 aryl alkyl group Chemical group 0.000 claims description 16
- 125000005843 halogen group Chemical group 0.000 claims description 12
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- 125000002947 alkylene group Chemical group 0.000 claims description 4
- 125000000623 heterocyclic group Chemical group 0.000 claims description 4
- 125000001570 methylene group Chemical group [H]C([H])([*:1])[*:2] 0.000 claims description 4
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 4
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Images
Classifications
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2/00—Processes of polymerisation
- C08F2/46—Polymerisation initiated by wave energy or particle radiation
- C08F2/48—Polymerisation initiated by wave energy or particle radiation by ultraviolet or visible light
- C08F2/50—Polymerisation initiated by wave energy or particle radiation by ultraviolet or visible light with sensitising agents
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/32—Compounds containing nitrogen bound to oxygen
- C08K5/33—Oximes
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/0005—Production of optical devices or components in so far as characterised by the lithographic processes or materials used therefor
- G03F7/0007—Filters, e.g. additive colour filters; Components for display devices
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/004—Photosensitive materials
- G03F7/0047—Photosensitive materials characterised by additives for obtaining a metallic or ceramic pattern, e.g. by firing
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/004—Photosensitive materials
- G03F7/027—Non-macromolecular photopolymerisable compounds having carbon-to-carbon double bonds, e.g. ethylenic compounds
- G03F7/028—Non-macromolecular photopolymerisable compounds having carbon-to-carbon double bonds, e.g. ethylenic compounds with photosensitivity-increasing substances, e.g. photoinitiators
- G03F7/031—Organic compounds not covered by group G03F7/029
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J11/00—Gas-filled discharge tubes with alternating current induction of the discharge, e.g. alternating current plasma display panels [AC-PDP]; Gas-filled discharge tubes without any main electrode inside the vessel; Gas-filled discharge tubes with at least one main electrode outside the vessel
- H01J11/10—AC-PDPs with at least one main electrode being out of contact with the plasma
- H01J11/12—AC-PDPs with at least one main electrode being out of contact with the plasma with main electrodes provided on both sides of the discharge space
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J11/00—Gas-filled discharge tubes with alternating current induction of the discharge, e.g. alternating current plasma display panels [AC-PDP]; Gas-filled discharge tubes without any main electrode inside the vessel; Gas-filled discharge tubes with at least one main electrode outside the vessel
- H01J11/20—Constructional details
- H01J11/22—Electrodes, e.g. special shape, material or configuration
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J11/00—Gas-filled discharge tubes with alternating current induction of the discharge, e.g. alternating current plasma display panels [AC-PDP]; Gas-filled discharge tubes without any main electrode inside the vessel; Gas-filled discharge tubes with at least one main electrode outside the vessel
- H01J11/20—Constructional details
- H01J11/22—Electrodes, e.g. special shape, material or configuration
- H01J11/24—Sustain electrodes or scan electrodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
- H01J9/02—Manufacture of electrodes or electrode systems
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2211/00—Plasma display panels with alternate current induction of the discharge, e.g. AC-PDPs
- H01J2211/20—Constructional details
- H01J2211/22—Electrodes
- H01J2211/225—Material of electrodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2211/00—Plasma display panels with alternate current induction of the discharge, e.g. AC-PDPs
- H01J2211/20—Constructional details
- H01J2211/34—Vessels, containers or parts thereof, e.g. substrates
- H01J2211/44—Optical arrangements or shielding arrangements, e.g. filters or lenses
- H01J2211/444—Means for improving contrast or colour purity, e.g. black matrix or light shielding means
Definitions
- the present invention relates to an alkali-developable photocurable composition useful for forming a fine electrode circuit on a front substrate of a plasma display panel (hereinafter abbreviated as “PDP”), and an electrode, particularly a black and white, using the same.
- PDP plasma display panel
- the present invention relates to a PDP in which a black layer (lower layer) in a bus electrode having a two-layer structure is formed.
- the PDP is a flat display that displays images and information using light emission by plasma discharge.
- the principle of color display by PDP is that plasma discharge is generated in the cell space (discharge space) between the opposing electrodes formed on the front glass substrate and the rear glass substrate separated by ribs (partition walls), and each cell space.
- the phosphor formed on the inner surface of the rear glass substrate is excited by ultraviolet rays generated by the discharge of a gas such as He or Xe enclosed therein, and three primary colors of visible light are generated.
- Each cell space is partitioned by ribs arranged in parallel to the substrate surface in the AC type PDP which is currently mainstream.
- FIG. 1 partially shows a structural example of a surface discharge PDP having a three-electrode structure for full color display.
- a pair of display electrodes 2a and 2b each comprising a transparent electrode 3a or 3b for discharging and a bus electrode 4a or 4b for lowering the line resistance of the transparent electrode are provided at a predetermined pitch.
- a transparent dielectric layer 5 low melting point glass
- a protective layer (MgO) 6 is deposited thereon.
- striped ribs (partitions) 12 partitioning the discharge space and a plurality of address electrodes (data electrodes) 13 arranged in each discharge space are arranged in a predetermined pitch.
- phosphor films of three colors of red (14a), blue (14b), and green (14c) are regularly arranged on the inner surface of each discharge space.
- one pixel is constituted by the phosphor films 14a, 14b, and 14c of the three primary colors of red, blue, and green.
- an alternating pulse voltage is applied between the pair of display electrodes 2a and 2b, and discharge is performed between the electrodes on the same substrate.
- the ultraviolet rays generated by the discharge excite the phosphor films 14a, 14b, 14c of the back substrate 11, and the generated visible light is viewed through the transparent electrodes 3a, 3b of the front glass substrate 1 ( Reflective type).
- the bus electrodes 4a and 4b are formed by patterning by photolithography after forming three layers of Cr—Cu—Cr by vapor deposition or sputtering.
- a method of baking after conductive printing such as silver paste is performed, or in order to obtain a line width of 150 ⁇ m or less, photosensitive conductive paste is used.
- a method of applying, exposing through a pattern mask, developing, and then baking is performed.
- a black layer of a black conductive paste with poor conductivity is printed on the lower layer on the display side, and a white layer of a silver paste with good conductivity is formed thereon.
- the layer may be printed to form an electrode having a black and white two-layer structure (see, for example, Patent Document 1).
- the present invention has been made in view of the above-mentioned problems, and its object is to enable formation of a high-definition pattern, and in a bus electrode having a black and white two-layer structure, without causing line loss due to undercut.
- An object of the present invention is to provide a photocurable composition capable of forming a pattern.
- photopolymerization comprising an inorganic powder, an organic binder, a photopolymerizable monomer, and an oxime ester compound having a nitrocarbazole structure represented by the following general formula (I):
- the photocurable composition characterized by containing an agent is provided. Thereby, a black and white two-layer structure bus electrode with reduced undercut can be formed.
- R 1 represents an alkyl group having 1 to 20 carbon atoms, an aryl group having 6 to 30 carbon atoms, an arylalkyl group having 7 to 30 carbon atoms, or CN, and includes an alkyl group, an aryl group, and an arylalkyl group.
- R 2 represents R 21 or OR 21
- R 21 represents an alkyl group having 1 to 20 carbon atoms, an aryl group having 6 to 30 carbon atoms or an arylalkyl group having 7 to 30 carbon atoms, an alkyl group, an aryl group And the hydrogen atom of the arylalkyl group may be further substituted with a halogen atom
- R 3 represents an alkyl group having 1 to 20 carbon atoms, an aryl group having 6 to 30 carbon atoms, or an aryl group having 7 to 30 carbon atoms.
- the methylene group of the alkylene moiety of the substituent represented by R 1 , R 3 , R 11 , R 12 and R 13 is an unsaturated bond, an ether bond, a thioether bond, an ester bond, a thioester bond, an amide bond or a urethane bond.
- the alkyl moiety of the substituent may have a branched side chain, may be a cyclic alkyl, and the alkyl terminal of the substituent may be an unsaturated bond.
- R 3 may be combined with an adjacent benzene ring to form a ring.
- R 4 and R 5 each independently represents R 21 , OR 21 , CN or a halogen atom, and a and b are each independently 0 to 3. )
- the photocurable composition of the present invention it is possible to form a high-definition pattern, and it is possible to achieve further undercut reduction in a black and white two-layer bus electrode.
- FIG. 5 is a schematic partial cross-sectional view showing an example of a process for forming a black and white two-layer bus electrode.
- the inventors of the present invention in forming a black and white two-layer bus electrode, include an inorganic powder, an organic binder, a photopolymerizable monomer, and a light containing an oxime ester compound having a nitrocarbazole structure represented by the general formula (I). It has been found that by using a photocurable composition containing a polymerization initiator, it is possible to form a pattern in which undercut is suppressed, and the present invention has been completed.
- the photocurable composition of this embodiment will be described in detail.
- the photocurable composition hereinafter referred to as “black layer composition” used for the black film layer (lower layer) of the bus electrode having a black and white two-layer structure will be described in detail.
- the inorganic powder used in the photocurable composition of the present embodiment varies depending on the use of the electrode pattern, and a black pigment is used when used as a black layer composition.
- a black pigment is used when used as a black layer composition.
- an inorganic pigment having color tone stability at a high temperature is preferably used because high-temperature baking at 300 to 600 ° C. is performed in a baking step described later.
- a black pigment composed of a single metal oxide such as Cu, Fe, Cr, Mn, Co, Ni, Ru, La, Sr and / or a composite oxide composed of two or more metal elements can be used. .
- copper-chromium black composite oxide copper-iron black composite oxide, cobalt tetroxide (Co 3 O 4 ), etc. have a dense black film formed after firing and excellent color tone.
- copper-chromium black composite oxide copper-iron black composite oxide
- cobalt tetroxide Co 3 O 4
- These can be used alone or in combination of two or more.
- the average particle size (D50) of such a black pigment is preferably 2 ⁇ m or less.
- the average particle size is 2 ⁇ m or less, a dense fired film can be formed without impairing adhesion even if added in a small amount, sufficient interlayer conductivity (interlayer conduction between transparent electrode and bus electrode white layer) and blackness Can be satisfied at the same time.
- the average particle size is larger than 2 ⁇ m, the denseness of the fired film is deteriorated, and the blackness of the black electrode pattern to be formed tends to be lowered.
- it is smaller than 0.01 ⁇ m the hiding power is lowered and a transparency may appear, so that the thickness is more preferably 0.01 to 1 ⁇ m.
- the blending amount of such a black pigment is preferably in the range of 10 to 100 parts by mass per 100 parts by mass of the organic binder.
- the amount is less than the above range, sufficient black color cannot be obtained after firing.
- the amount is larger than the above range, the light transmittance is lowered and the undercut tends to occur. More preferably, it is 50 to 100 parts by mass.
- a glass frit can be blended as necessary in order to improve adhesion to the substrate after firing.
- Such glass frit is preferably a low-melting glass powder having a glass transition point (Tg) of 300 to 500 ° C. and a glass softening point (Ts) of 400 to 600 ° C., such as lead oxide, bismuth oxide, and zinc oxide.
- Tg glass transition point
- Ts glass softening point
- Lithium oxide or alkali borosilicate as a main component is preferably used.
- lead oxide as a main component examples include PbO of 48 to 82%, B 2 O 3 of 0.5 to 22%, SiO 2 of 3 to 32%, Al 2 O in mass% based on oxide. 3 is 0 to 12%, BaO is 0 to 15%, TiO 2 is 0 to 2.5%, Bi 2 O 3 is 0 to 25%, and the softening point is 420 to 580 ° C. Sex frit.
- bismuth oxide as a main component, it is 6 to 88% Bi 2 O 3 , 5 to 30% B 2 O 3 , 5 to 25% SiO 2 in terms of mass% based on oxide,
- examples thereof include amorphous frit having a composition of Al 2 O 3 of 0 to 5%, BaO of 0 to 20%, ZnO of 1 to 20%, and a softening point of 420 to 580 ° C.
- ZnO is 25 to 60%
- K 2 O is 2 to 15%
- B 2 O 3 is 25 to 45%
- SiO 2 is mass% based on oxide.
- An amorphous frit having a composition of 1 to 7%, Al 2 O 3 of 0 to 10%, BaO of 0 to 20%, MgO of 0 to 10%, and a softening point of 420 to 580 ° C. can be mentioned. .
- Such a glass frit can be blended at a ratio of 200 parts or less, preferably 100 parts or less, per 100 parts by weight of the organic binder.
- Examples of the organic binder used in the black layer composition of the present embodiment include a resin containing a carboxyl group, specifically, a carboxyl group-containing photosensitive resin having an ethylenically unsaturated double bond and an ethylenically unsaturated resin. Any of the carboxyl group-containing resins having no saturated double bond can be used. Examples of the resin (which may be either an oligomer or a polymer) that can be suitably used include the following.
- a carboxyl group-containing resin obtained by copolymerizing an unsaturated carboxylic acid and a compound having an unsaturated double bond obtained by copolymerizing an unsaturated carboxylic acid and a compound having an unsaturated double bond.
- An unsaturated carboxylic acid is reacted with a copolymer of an epoxy group, a compound having an unsaturated double bond, and a compound having an unsaturated double bond, and a polybasic acid anhydride is added to the resulting secondary hydroxyl group.
- a carboxyl group-containing photosensitive resin obtained by reacting a copolymer of an acid anhydride having an unsaturated double bond and a compound having an unsaturated double bond with a compound having a hydroxyl group and an unsaturated double bond. .
- a carboxyl group-containing photosensitive resin obtained by reacting an epoxy compound with an unsaturated monocarboxylic acid and reacting the resulting secondary hydroxyl group with a polybasic acid anhydride.
- (meth) acrylate is a general term for acrylate, methacrylate, and mixtures thereof, and the same applies to other similar expressions.
- Such carboxyl group-containing resins may be used alone or as a mixture, but in any case, these are preferably blended in a proportion of 10 to 80% by mass of the total amount of the composition.
- the blending amount is less than the above range, the distribution of the resin in the film to be formed is likely to be non-uniform, it is difficult to obtain sufficient photocurability and photocuring depth, and patterning by selective exposure and development is difficult. It becomes. On the other hand, if it is more than the above range, the pattern will be distorted or the line width will be shrunk during firing.
- Such a carboxyl group-containing resin preferably has a weight average molecular weight of 1,000 to 100,000.
- the molecular weight is lower than 1,000, the adhesion of the film during development is adversely affected.
- it is higher than 100,000, development failure tends to occur. More preferably, it is in the range of 5,000 to 70,000.
- the acid value of the carboxyl group-containing resin is preferably in the range of 50 to 250 mgKOH / g.
- the acid value is lower than 50 mgKOH / g, the solubility in an alkaline aqueous solution is insufficient and development failure tends to occur.
- it is higher than 250 mgKOH / g, the adhesion of the film is deteriorated and the photocured part (exposed part) is easily dissolved during development.
- the double bond equivalent is 350 to 2,000.
- the double bond equivalent is smaller than 350, the residue tends to remain during firing.
- it is larger than 2,000 the work margin during development is narrow, and a high exposure amount is required during photocuring. More preferred is 400 to 1,500.
- the photopolymerizable monomer used in the black layer composition of the present embodiment is used for promoting photocurability and improving developability of the composition.
- photopolymerizable monomers include 2-hydroxyethyl acrylate, 2-hydroxypropyl acrylate, diethylene glycol diacrylate, triethylene glycol diacrylate, polyethylene glycol diacrylate, polyurethane diacrylate, trimethylolpropane triacrylate, and pentaerythritol.
- Triacrylate pentaerythritol tetraacrylate, trimethylolpropane ethylene oxide modified triacrylate, trimethylolpropane propylene oxide modified triacrylate, dipentaerythritol pentaacrylate, dipentaerythritol hexaacrylate and each methacrylate corresponding to the above acrylate; phthalic acid, Adipic acid, maleic acid, ita Examples include mono-, di-, tri- or higher polyesters of polybasic acids such as acid, succinic acid, trimellitic acid and terephthalic acid and hydroxyalkyl (meth) acrylate, but are limited to specific ones These may be used alone or in combination of two or more. Among these photopolymerizable monomers, polyfunctional monomers having two or more (meth) acryloyl groups in one molecule are preferable.
- An appropriate amount of such a photopolymerizable monomer is 20 to 100 parts by mass per 100 parts by mass of the organic binder.
- the blending amount is less than 20 parts by mass, it is difficult to obtain sufficient photocurability of the composition.
- the amount exceeds 100 parts by mass, the photocuring of the coating surface part is faster than the deep part. Therefore, unevenness in curing tends to occur.
- the photopolymerization initiator used in the black layer composition of the present embodiment it is important to use an oxime ester compound having a nitrocarbazole structure represented by the following general formula (I). Since the oxime ester compound represented by the following general formula (I) is highly sensitive, it can perform sufficient photocuring even under a white layer with poor light transmission and suppress the occurrence of undercut. Can do.
- R 1 represents an alkyl group having 1 to 20 carbon atoms, an aryl group having 6 to 30 carbon atoms, an arylalkyl group having 7 to 30 carbon atoms, or CN, and includes an alkyl group, an aryl group, and an arylalkyl group.
- R 2 represents R 21 or OR 21
- R 21 represents an alkyl group having 1 to 20 carbon atoms, an aryl group having 6 to 30 carbon atoms or an arylalkyl group having 7 to 30 carbon atoms, an alkyl group, an aryl group And the hydrogen atom of the arylalkyl group may be further substituted with a halogen atom
- R 3 represents an alkyl group having 1 to 20 carbon atoms, an aryl group having 6 to 30 carbon atoms, or an aryl group having 7 to 30 carbon atoms.
- the methylene group of the alkylene moiety of the substituent represented by R 1 , R 3 , R 11 , R 12 and R 13 is an unsaturated bond, an ether bond, a thioether bond, an ester bond, a thioester bond, an amide bond or a urethane bond.
- the alkyl moiety of the substituent may have a branched side chain, may be a cyclic alkyl, and the alkyl terminal of the substituent may be an unsaturated bond.
- R 3 may be combined with an adjacent benzene ring to form a ring.
- R 4 and R 5 each independently represents R 21 , OR 21 , CN or a halogen atom, and a and b are each independently 0 to 3. )
- the blending amount of such a photopolymerization initiator is preferably 0.5 to 20 parts by mass with respect to 100 parts by mass of the organic binder.
- the amount is less than 0.5 parts by mass, it is difficult to obtain sufficient photocurability of the composition.
- it exceeds 20 parts by mass the photocuring of the coating surface part becomes faster than the deep part, and thus uneven curing tends to occur. More preferably, it is 1 to 10 parts by mass.
- photoinitiators can be mix
- photopolymerization initiators include benzoin and benzoin alkyl ethers such as benzoin, benzoin methyl ether, benzoin ethyl ether, and benzoin isopropyl ether; acetophenone, 2,2-dimethoxy-2-phenylacetophenone, 2,2- Acetophenones such as diethoxy-2-phenylacetophenone and 1,1-dichloroacetophenone; 2-methyl-1- [4- (methylthio) phenyl] -2-morpholinopropan-1-one, 2-benzyl-2-dimethylamino -1- (4-morpholinophenyl) -butanone-1,2- (dimethylamino) -2-[(4-methylphenyl) methyl] -1- [4- (4-morpholinyl) phenyl] -1-butan
- Aminoacetophenones 2-methylanthra Anthraquinones such as non, 2-ethylanthraquinone, 2-t-butylanthraquinone, 1-chloroanthraquinone; 2,4-dimethylthioxanthone, 2,4-diethylthioxanthone, 2-chlorothioxanthone, 2,4-diisopropylthioxanthone, etc.
- Thioxanthones such as acetophenone dimethyl ketal and benzyl dimethyl ketal; benzophenones such as benzophenone; or xanthones; (2,6-dimethoxybenzoyl) -2,4,4-pentylphosphine oxide, bis (2,4,4) 6-trimethylbenzoyl) -phenylphosphine oxide, 2,4,6-trimethylbenzoyldiphenylphosphine oxide, ethyl-2,4,6-trimethylbenzoylphenylphosphinate, etc.
- Oxime esters such as 1- [9-ethyl-6- (2-methylbenzoyl) -9H-carbazol-9-yl] -1- (o-acetyloxime); various peroxides
- oxime esters such as 1- [9-ethyl-6- (2-methylbenzoyl) -9H-carbazol-9-yl] -1- (o-acetyloxime); various peroxides
- photopolymerization initiators can be used alone or in combination of two or more.
- sensitizer examples include tertiary amines such as N, N-dimethylaminobenzoic acid ethyl ester, N, N-dimethylaminobenzoic acid isoamyl ester, pentyl-4-dimethylaminobenzoate, triethylamine, and triethanolamine. These sensitizers can be used, and these sensitizers can be used alone or in combination of two or more.
- An appropriate amount of a solvent can be blended in order to form a paste by diluting the black layer composition of the present embodiment so that it can be easily applied to a substrate or the like.
- solvents include ketones such as methyl ethyl ketone and cyclohexanone; aromatic hydrocarbons such as toluene, xylene, and tetramethylbenzene; cellosolve, methyl cellosolve, carbitol, methyl carbitol, butyl carbitol, propylene glycol Glycol ethers such as monomethyl ether, dipropylene glycol monomethyl ether, dipropylene glycol monoethyl ether, triethylene glycol monoethyl ether; ethyl acetate, butyl acetate, cellosolve acetate, butyl cellosolve acetate, carbitol acetate, butyl carbitol acetate, propylene Glycol monomethyl ether acetate,
- a stabilizer in order to improve the storage stability of the photocurable resin composition, it is preferable to add as a stabilizer a compound having an effect of complexing with a metal or oxide powder as a component of the inorganic powder or forming a salt.
- Such stabilizers include various organic acids such as malonic acid, adipic acid, formic acid, acetic acid, acetoacetic acid, citric acid, stearic acid, maleic acid, fumaric acid, phthalic acid, phosphoric acid, phosphorous acid, hypochlorous acid.
- organic acids such as malonic acid, adipic acid, formic acid, acetic acid, acetoacetic acid, citric acid, stearic acid, maleic acid, fumaric acid, phthalic acid, phosphoric acid, phosphorous acid, hypochlorous acid.
- phosphoric acid compounds such as phosphoric acid, methyl phosphate, ethyl phosphate, butyl phosphate, phenyl phosphate, ethyl phosphite, diphenyl phosphite, mono (2-methacryloyloxyethyl) acid phosphate (inorganic phosphoric acid, Organic phosphoric acid) and acids such as boric acid can be used, and these can be used alone or in combination of two or more.
- a stabilizer is preferably added at a ratio of 0.1 to 10 parts by mass per 100 parts by mass of the inorganic powder.
- thermal polymerization inhibitors such as hydroquinone, hydroquinone monomethyl ether, t-butylcatechol, pyrogallol, phenothiazine, thickeners such as fine silica, organic bentonite, montmorillonite, silicones, fluorines, polymers, etc.
- a known additive such as an antifoaming agent and / or a leveling agent, a silane coupling agent such as imidazole, thiazole, or triazole can be blended.
- the white layer composition of the present embodiment basically has the same components and blending ratio except that the conductive powder is used instead of the black pigment of the black layer composition described above as the inorganic powder. Yes. Therefore, regarding the white layer composition of the present embodiment, only differences from the above-described black layer composition will be described below.
- Examples of the conductive powder used in the white layer composition of the present embodiment include, for example, a simple substance such as Ag, Au, Ni, Cu, Al, Sn, Pt, Ru, and alloys thereof, SnO 2 , In 2 O 3.
- Indium tin oxide (ITO), RuO 2 or the like can be used. These can be used alone or in combination of two or more.
- Various shapes such as a spherical shape, a flake shape, and a dentrite shape can be used as the shape of such a conductive powder, but it is preferable to use a spherical shape in consideration of optical characteristics and dispersibility.
- D50 average particle diameter
- the specific surface area is preferably 0.01 to 2.0 m 2 / g. When the specific surface area is less than 0.01 m 2 / g, sedimentation tends to occur during storage. On the other hand, when the specific surface area exceeds 2.0 m 2 / g, the oil absorption is increased and the fluidity of the composition is impaired. More preferably, it is 0.1 to 1.0 m 2 / g.
- fatty acids include oleic acid, linoleic acid, linolenic acid, stearic acid, and the like.
- the blending amount of such conductive powder is preferably 50 to 2,000 parts by mass per 100 parts by mass of the organic binder.
- the blending amount of the conductive powder is less than 50 parts by mass, it is difficult to obtain good conductivity, and when it exceeds 2,000 parts by mass, pasting tends to be difficult.
- the photopolymerizable monomer used in the white layer composition of the present embodiment can be used. It is preferable to use a functional monomer.
- the white layer composition of the present embodiment can be blended with a photopolymerization initiator used for the black layer composition, if necessary.
- the reason why the photopolymerization initiator is an optional component is that curing proceeds without forming a photopolymerization initiator and an electrode pattern can be formed. This is because the photopolymerization initiator in the lower layer (black layer) coating diffuses into the upper layer coating during the coating / drying or exposure in the bus electrode formation step described later, and the crosslinking reaction occurs in the upper layer coating. This is considered to be because the crosslinking proceeds in the lower layer coating film during the exposure or proceeds to the upper layer coating during the exposure.
- the white layer composition when applied to a single layer electrode pattern, it is necessary to add a photopolymerization initiator.
- good resolution can be obtained by blending the oxime ester compound having the nitrocarbazole structure represented by the general formula (I) described above as a photopolymerization initiator.
- the photocurable composition of the present invention may be laminated on a substrate when it is formed into a film in advance, but in the case of a paste, an appropriate coating method such as screen printing, bar coater, blade coater, etc. Apply to a glass substrate, for example, the front substrate of the PDP, and then dry in a hot-air circulating drying furnace, far-infrared drying furnace, etc., for example, at about 60-120 ° C. for about 5-40 minutes in order to obtain finger-drying The solvent is evaporated to obtain a tack-free coating film. Thereafter, exposure, development, and baking are performed to form an electrode circuit having a predetermined pattern.
- an appropriate coating method such as screen printing, bar coater, blade coater, etc.
- the exposure step contact exposure and non-contact exposure using a negative mask having a predetermined exposure pattern are possible.
- a light source used for exposure a halogen lamp, a high-pressure mercury lamp, a laser beam, a metal halide lamp, a black lamp, an electrodeless lamp, or the like is used.
- the exposure amount is preferably about 50 to 1000 mJ / cm 2 .
- a spray method, an immersion method, or the like is used.
- the developer include aqueous metal alkali solutions such as sodium hydroxide, potassium hydroxide, sodium carbonate, potassium carbonate, and sodium silicate, and aqueous amine solutions such as monoethanolamine, diethanolamine, and triethanolamine.
- a dilute alkaline aqueous solution having a concentration of about 1.5% by mass or less is preferably used, but the carboxyl group of the carboxyl group-containing resin in the composition is saponified, and the uncured part (unexposed part) is removed.
- the developer is not limited to the developer as described above. Further, it is preferable to perform washing with water and acid neutralization in order to remove unnecessary developer after development.
- the substrate after development is subjected to a heat treatment at about 400 to 600 ° C. in the air or a nitrogen atmosphere to form a desired conductor pattern.
- a heat treatment at about 400 to 600 ° C. in the air or a nitrogen atmosphere to form a desired conductor pattern.
- a black and white two-layer bus electrode will be described in detail with reference to FIG.
- ITO Indium tin oxide
- the black layer composition described above is applied, and then dried to form a tack-free black layer 202.
- a highly conductive white layer composition containing conductive powder is applied onto the formed black layer 202, and then dried to perform a tack-free white layer ( Conductive layer) 203 is formed.
- a photomask 204 having an exposure pattern is superposed on this to expose the two-layer black and white coating film.
- development is performed with an alkaline aqueous solution to remove non-exposed portions, and then baking is performed, so that a black layer (lower layer) 202 and a white layer (upper layer) 203 are formed on the transparent electrode 201 as shown in FIG.
- a bus electrode 205 is formed.
- the black layer composition and the white layer composition are formed into a film in advance, after laminating them sequentially by thermocompression on the substrate, exposure, development and baking (firing) are performed. It can manufacture by performing each process.
- the black layer composition is applied on the substrate, dried, exposed, developed and baked to form a lower layer (black), and then the white layer composition is applied, dried, exposed and developed.
- the method of performing each process of baking and forming an upper layer (white) can also be employ
- the weight-average molecular weight of the obtained alkali-soluble resin A (copolymerization resin) was measured using Shimadzu pump LC-6AD and Showa Denko column Shodex (registered trademark) KF-804, KF-803, and KF-802. The measurement was performed by high performance liquid chromatography connected to a triplet.
- compositions 3 and 4 were obtained.
- compositions 3 and 4 shown in Table 1 were each printed on a glass substrate with a 300 mesh polyester screen, and then dried at 100 ° C. for 20 minutes in an IR drying oven to form a black coating on the substrate. Formed. Next, composition 1 was used for the black coating film using composition 3, composition 2 was used for the black coating film using composition 4, and the entire surface of the black coating film was coated using a 200 mesh polyester screen. And dried in an IR drying oven at 100 ° C. for 20 minutes to form a two-layer black and white film having good touch-drying properties. These were used as evaluation substrates.
- compositions 1 and 2 shown in Table 1 are all printed on a glass substrate with a 200-mesh polyester screen, respectively, dried in an IR drying oven at 100 ° C. for 20 minutes, and a white film having good touch drying properties These were used as evaluation substrates.
- an evaluation board having a combination of compositions 1 and 3 was used as Example 1, and an evaluation board having a combination of compositions 2 and 4 was used as Comparative Example 1. Moreover, the following evaluation was performed by making the evaluation board
- the evaluation substrate was exposed to light using a metal halide lamp as a light source so that the integrated light amount on the composition was 200 mJ / cm 2, and then developed using a 0.4% sodium carbonate aqueous solution at a liquid temperature of 30 ° C. Was developed for 10, 15, 30, and 40 seconds, washed with water, and dried with an air knife. Thereafter, the remaining lines were observed, and the line having the minimum width that remained without defects was defined as the resolution.
- Example 1 is a case where the photocurable composition of the present embodiment is applied to a black and white two-layer bus electrode. Compared with Comparative Example 1 using a conventional photocurable composition, the resolution (line width) ) Is improved.
- Example 2 is a case where the photocurable composition of the present embodiment is applied to a (single layer) electrode, and it can be seen that good resolution is obtained. On the other hand, in Comparative Example 2 using a conventional photocurable composition, line formation was not possible, indicating that the photocurability was insufficient.
- SYMBOLS 1,200 Front glass substrate 2a, 2b: Display electrode 3a, 3b, 201: Transparent electrode 4a, 4b, 205: Bus electrode 5: Transparent dielectric layer 6: Protective layer 11: Back glass substrate 12: Rib (partition) 13: Address electrodes 14a, 14b, 14c: Phosphor film 202: Black layer (lower layer) 203: White layer (upper layer, conductive layer) 204: Photomask
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Abstract
Description
R2は、R21又はOR21を表し、R21は、炭素数1~20のアルキル基、炭素数6~30のアリール基又は炭素数7~30のアリールアルキル基を表し、アルキル基、アリール基及びアリールアルキル基の水素原子は、更にハロゲン原子で置換されていてもよく、R3は、炭素数1~20のアルキル基、炭素数6~30のアリール基又は炭素数7~30のアリールアルキル基を表し、
R1、R3、R11、R12及びR13で表される置換基のアルキレン部分のメチレン基は、不飽和結合、エーテル結合、チオエーテル結合、エステル結合、チオエステル結合、アミド結合又はウレタン結合により1~5回中断されていてもよく、上記置換基のアルキル部分は分岐側鎖があってもよく、環状アルキルであってもよく、上記置換基のアルキル末端は不飽和結合であってもよく、R3は、隣接するベンゼン環と一緒になって環を形成していてもよい。
R4及びR5は、それぞれ独立に、R21、OR21、CN又はハロゲン原子を表し、a及びbは、それぞれ独立に、0~3である。)
先ず、白黒二層構造のバス電極の黒色皮膜層(下層)に用いられる光硬化性組成物(以下、「黒層用組成物」という)について詳細に説明する。
本実施形態の黒層用組成物に用いられる黒色顔料としては、後述する焼成工程において300~600℃という高温焼成を行うため、高温での色調安定性を有する無機顔料を用いることが好ましい。具体的には、例えばCu、Fe、Cr、Mn、Co、Ni、Ru、La、Sr等の単独の金属酸化物及び/又は金属元素2種以上からなる複合酸化物からなる黒色顔料が挙げられる。特に、銅-クロム系黒色複合酸化物、銅-鉄系黒色複合酸化物、四三酸化コバルト(Co3O4)等は焼成後に形成される黒色皮膜が緻密なものとなり、かつ色調に優れることから好適に用いられる。これらは単独で又は2種以上を組み合わせて用いることができる。
(2)不飽和カルボン酸と不飽和二重結合を有する化合物の共重合体にエチレン性不飽和基をペンダントとして付加させることによって得られるカルボキシル基含有感光性樹脂。
(3)エポキシ基と不飽和二重結合を有する化合物と不飽和二重結合を有する化合物の共重合体に、不飽和カルボン酸を反応させ、生成した2級の水酸基に多塩基酸無水物を反応させて得られるカルボキシル基含有感光性樹脂。
(4)不飽和二重結合を有する酸無水物と不飽和二重結合を有する化合物の共重合体に、水酸基と不飽和二重結合を有する化合物を反応させて得られるカルボキシル基含有感光性樹脂。
(5)エポキシ化合物と不飽和モノカルボン酸を反応させ、生成した2級の水酸基に多塩基酸無水物を反応させて得られるカルボキシル基含有感光性樹脂。
(6)不飽和二重結合を有する化合物とグリシジル(メタ)アクリレートの共重合体のエポキシ基に、1分子中に1つのカルボキシル基を有し、エチレン性不飽和結合を持たない有機酸を反応させ、生成した2級の水酸基に多塩基酸無水物を反応させて得られるカルボキシル基含有樹脂。
(7)水酸基含有ポリマーに多塩基酸無水物を反応させて得られるカルボキシル基含有樹脂。
(8)水酸基含有ポリマーに多塩基酸無水物を反応させて得られるカルボキシル基含有樹脂に、エポキシ基と不飽和二重結合を有する化合物をさらに反応させて得られるカルボキシル基含有感光性樹脂。
なお、本明細書中において、(メタ)アクリレートとは、アクリレート、メタクリレートおよびそれらの混合物を総称する用語で、他の類似の表現についても同様である。
R2は、R21又はOR21を表し、R21は、炭素数1~20のアルキル基、炭素数6~30のアリール基又は炭素数7~30のアリールアルキル基を表し、アルキル基、アリール基及びアリールアルキル基の水素原子は、更にハロゲン原子で置換されていてもよく、R3は、炭素数1~20のアルキル基、炭素数6~30のアリール基又は炭素数7~30のアリールアルキル基を表し、
R1、R3、R11、R12及びR13で表される置換基のアルキレン部分のメチレン基は、不飽和結合、エーテル結合、チオエーテル結合、エステル結合、チオエステル結合、アミド結合又はウレタン結合により1~5回中断されていてもよく、上記置換基のアルキル部分は分岐側鎖があってもよく、環状アルキルであってもよく、上記置換基のアルキル末端は不飽和結合であってもよく、R3は、隣接するベンゼン環と一緒になって環を形成していてもよい。
R4及びR5は、それぞれ独立に、R21、OR21、CN又はハロゲン原子を表し、a及びbは、それぞれ独立に、0~3である。)
このような光重合開始剤としては、例えばベンゾイン、ベンゾインメチルエーテル、ベンゾインエチルエーテル、ベンゾインイソプロピルエーテル等のベンゾインとベンゾインアルキルエーテル類;アセトフェノン、2,2-ジメトキシ-2-フェニルアセトフェノン、2,2-ジエトキシ-2-フェニルアセトフェノン、1,1-ジクロロアセトフェノン等のアセトフェノン類;2-メチル-1-[4-(メチルチオ)フェニル]-2-モルホリノプロパン-1-オン、2-ベンジル-2-ジメチルアミノ-1-(4-モルホリノフェニル)-ブタノン-1、2-(ジメチルアミノ)-2-[(4-メチルフェニル)メチル]-1-[4-(4-モルホリニル)フェニル]-1-ブタノン等のアミノアセトフェノン類;2-メチルアントラキノン、2-エチルアントラキノン、2-t-ブチルアントラキノン、1-クロロアントラキノン等のアントラキノン類;2,4-ジメチルチオキサントン、2,4-ジエチルチオキサントン、2-クロロチオキサントン、2,4-ジイソプロピルチオキサントン等のチオキサントン類;アセトフェノンジメチルケタール、ベンジルジメチルケタール等のケタール類;ベンゾフェノン等のベンゾフェノン類;又はキサントン類;(2,6-ジメトキシベンゾイル)-2,4,4-ペンチルホスフィンオキサイド、ビス(2,4,6-トリメチルベンゾイル)-フェニルホスフィンオキサイド、2,4,6-トリメチルベンゾイルジフェニルホスフィンオキサイド、エチル-2,4,6-トリメチルベンゾイルフェニルホスフィネイト等のホスフィンオキサイド類;1-[9-エチル-6-(2-メチルベンゾイル)-9H-カルバゾール-9-イル]-1-(o-アセチルオキシム)等のオキシムエステル類;各種パーオキサイド類などが挙げられ、これら光重合開始剤を単独で又は2種以上を組み合わせて用いることができる。
このような溶剤としては、例えば、メチルエチルケトン、シクロヘキサノンなどのケトン類;トルエン、キシレン、テトラメチルベンゼンなどの芳香族炭化水素類;セロソルブ、メチルセロソルブ、カルビトール、メチルカルビトール、ブチルカルビトール、プロピレングリコールモノメチルエーテル、ジプロピレングリコールモノメチルエーテル、ジプロピレングリコールモノエチルエーテル、トリエチレングリコールモノエチルエーテルなどのグリコールエーテル類;酢酸エチル、酢酸ブチル、セロソルブアセテート、ブチルセロソルブアセテート、カルビトールアセテート、ブチルカルビトールアセテート、プロピレングリコールモノメチルエーテルアセテート、2,2,4-トリメチル-1,3-ペンタンジオールモノイソブチレートなどのエステル類;エタノール、プロパノール、エチレングリコール、プロピレングリコール、テルピネオールなどのアルコール類;オクタン、デカンなどの脂肪族炭化水素;石油エーテル、石油ナフサ、水添石油ナフサ、ソルベントナフサなどの石油系溶剤が挙げられ、これらを単独で又は2種以上を組み合わせて用いることができる。
本実施形態の白層用組成物は、無機粉末として、上述した黒層用組成物の黒色顔料に代えて導電性粉末を用いたこと以外は、基本的には同じ成分、配合割合となっている。従って、本実施形態の白層用組成物に関し、上述した黒層用組成物との相違点のみを以下に説明する。
本発明の光硬化性組成物は、予めフィルム状に成膜されている場合には基板上にラミネートすればよいが、ペースト状の場合、スクリーン印刷法、バーコーター、ブレードコーターなど適宜の塗布方法で基板、例えばPDPの前面基板となるガラス基板に塗布し、次いで指触乾燥性を得るために熱風循環式乾燥炉、遠赤外線乾燥炉等で例えば約60~120℃で5~40分程度乾燥させて溶剤を蒸発させ、タックフリーの塗膜を得る。その後、露光、現像、焼成を行なって所定のパターンの電極回路を形成する。
まず、図2(A)に示すように、予めスパッタリング、イオンプレーティング、化学蒸着、電着等の従来公知の手段によりITO(Indium tin oxide)等により透明電極201が形成された前面ガラス基板200に上述した黒層用組成物を塗布し、その後乾燥を行いタックフリーの黒層202を形成する。
温度計、攪拌機、滴下ロート及び還流冷却器を備えたフラスコに、メチルメタクリレートとメタクリル酸を0.87:0.13のモル比で仕込み、溶媒としてジエチレングリコールモノメチルエーテルアセテート、触媒としてアゾビスイソブチロニトリルを入れ、窒素雰囲気下80℃で7時間攪拌し、アルカリ可溶性樹脂A溶液を得た。このアルカリ可溶性樹脂A溶液は、アルカリ可溶性樹脂Aの重量平均分子量が約10,000、酸価が95mgKOH/g、その固形分は57%であった。
なお、得られたアルカリ可溶性樹脂A(共重合樹脂)の重量平均分子量は、島津製作所製ポンプLC-6ADと昭和電工社製カラムShodex(登録商標)KF-804、KF-803、KF-802を三本つないだ高速液体クロマトグラフィーにより測定した。
*2:トリメチロールプロパンEO変性トリアクリレート(東亜合成社製)
*3:オキシムエステル開始剤(ADEKA社製)
*4:エタノン,1-[9-エチル-6-(2-メチルベンゾイル)-9H-カルバゾール-3-イル]-,1-(O-アセチルオキシム)(チバ・スペシャルティ・ケミカルズ社製オキシムエステル開始剤)
*5:平均粒径(D50)2.2μm、最大粒径(D max)6.3μm、比表面積0.3m2/g
*6:四三酸化コバルト 平均粒径(D50)0.3μm
*7:Bi2O3 50%、B2O3 16%、ZnO 14%、SiO2 2%、BaO 18% 熱膨張係数α300=86×10-7/℃、ガラス軟化点501℃
*8:モダフロー(モンサント社製レベリング・消泡剤)
*9:P-1M(共栄社化学社製リン酸エステル系安定剤)
*10:ジエチレングリコールモノメチルエーテルアセテート
塗布・乾燥:(白黒二層皮膜)
表1に示す組成物3、4をそれぞれガラス基板上に、それぞれ300メッシュポリエステルスクリーンにて全面印刷し、IR式乾燥炉にて100℃で20分間乾燥することで基板上に黒色の塗膜を形成した。
次いで、組成物3を用いた黒色塗膜には組成物1を、組成物4を用いた黒色塗膜には組成物2を用いて、それぞれ200メッシュポリエステルスクリーンを用いて前記黒色塗膜上全面に塗布し、IR式乾燥炉にて100℃で20分間乾燥して指触乾燥性の良好な白黒二層の皮膜を形成し、これらを評価基板とした。
表1に示す組成物1、2をガラス基板上に、それぞれ200メッシュポリエステルスクリーンにて全面印刷し、IR式乾燥炉にて100℃で20分間乾燥して指触乾燥性の良好な白色の皮膜を形成し、これらを評価基板とした。
<評価>
(解像性)
上記評価基板に対し、光源にメタルハライドランプを用いて、組成物上の積算光量が200mJ/cm2となるように露光した後、液温30℃の0.4%炭酸ナトリウム水溶液を用いて現像時間を10、15、30及び40秒として現像を行い、水洗を経て、エアーナイフで乾燥した。その後、残存ラインを観察し、欠損なく残存した最小幅のラインを解像性とした。
実施例2は、本実施形態の光硬化性組成物を(単層)電極に適用した場合であり、良好な解像性が得られていることがわかる。一方、従来の光硬化性組成物を用いた比較例2では、ライン形成が出来ず、光硬化性不足であることがわかる。
2a、2b:表示電極
3a、3b、201:透明電極
4a、4b、205:バス電極
5:透明誘電体層
6:保護層
11:背面ガラス基板
12:リブ(隔壁)
13:アドレス電極
14a、14b、14c:蛍光体膜
202:黒層(下層)
203:白層(上層、導電層)
204:フォトマスク
Claims (6)
- 無機粉末、有機バインダー、光重合性モノマー及び下記一般式(I)に示されるニトロカルバゾール構造を有するオキシムエステル化合物を含む光重合開始剤を含有することを特徴とする白黒二層構造バス電極用光硬化性組成物。
R2は、R21又はOR21を表し、R21は、炭素数1~20のアルキル基、炭素数6~30のアリール基又は炭素数7~30のアリールアルキル基を表し、アルキル基、アリール基及びアリールアルキル基の水素原子は、更にハロゲン原子で置換されていてもよく、R3は、炭素数1~20のアルキル基、炭素数6~30のアリール基又は炭素数7~30のアリールアルキル基を表し、
R1、R3、R11、R12及びR13で表される置換基のアルキレン部分のメチレン基は、不飽和結合、エーテル結合、チオエーテル結合、エステル結合、チオエステル結合、アミド結合又はウレタン結合により1~5回中断されていてもよく、上記置換基のアルキル部分は分岐側鎖があってもよく、環状アルキルであってもよく、上記置換基のアルキル末端は不飽和結合であってもよく、R3は、隣接するベンゼン環と一緒になって環を形成していてもよい。
R4及びR5は、それぞれ独立に、R21、OR21、CN又はハロゲン原子を表し、a及びbは、それぞれ独立に、0~3である。) - 前記無機粉末は、黒色顔料、導電性粉末及びガラスフリットのいずれか少なくとも一種を含むことを特徴とする請求項1に記載の白黒二層構造バス電極用光硬化性組成物。
- 請求項1又は請求項2に記載の白黒二層構造バス電極用光硬化性組成物を用いて得られることを特徴とするプラズマディスプレイパネル。
- 無機粉末、有機バインダー、光重合性モノマー及び下記一般式(I)に示されるニトロカルバゾール構造を有するオキシムエステル化合物を含む光重合開始剤を含有することを特徴とする単層電極パターン用光硬化性組成物。
R2は、R21又はOR21を表し、R21は、炭素数1~20のアルキル基、炭素数6~30のアリール基又は炭素数7~30のアリールアルキル基を表し、アルキル基、アリール基及びアリールアルキル基の水素原子は、更にハロゲン原子で置換されていてもよく、R3は、炭素数1~20のアルキル基、炭素数6~30のアリール基又は炭素数7~30のアリールアルキル基を表し、
R1、R3、R11、R12及びR13で表される置換基のアルキレン部分のメチレン基は、不飽和結合、エーテル結合、チオエーテル結合、エステル結合、チオエステル結合、アミド結合又はウレタン結合により1~5回中断されていてもよく、上記置換基のアルキル部分は分岐側鎖があってもよく、環状アルキルであってもよく、上記置換基のアルキル末端は不飽和結合であってもよく、R3は、隣接するベンゼン環と一緒になって環を形成していてもよい。
R4及びR5は、それぞれ独立に、R21、OR21、CN又はハロゲン原子を表し、a及びbは、それぞれ独立に、0~3である。) - 前記無機粉末は、黒色顔料、導電性粉末及びガラスフリットのいずれか少なくとも一種を含むことを特徴とする請求項4に記載の単層電極パターン用光硬化性組成物。
- 請求項4又は請求項5に記載の単層電極パターン用光硬化性組成物を用いて得られることを特徴とするプラズマディスプレイパネル。
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JP2008243687A (ja) * | 2007-03-28 | 2008-10-09 | Matsushita Electric Ind Co Ltd | プラズマディスプレイパネルおよびその製造方法 |
JP2010061041A (ja) * | 2008-09-05 | 2010-03-18 | Jsr Corp | 感放射線性組成物、カラーフィルタおよびブラックマトリックスならびに液晶表示素子 |
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