CN1167793A - Light-screening coating composition and application thereof - Google Patents
Light-screening coating composition and application thereof Download PDFInfo
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- CN1167793A CN1167793A CN97105440A CN97105440A CN1167793A CN 1167793 A CN1167793 A CN 1167793A CN 97105440 A CN97105440 A CN 97105440A CN 97105440 A CN97105440 A CN 97105440A CN 1167793 A CN1167793 A CN 1167793A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/02—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to macromolecular substances, e.g. rubber
- B05D7/04—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to macromolecular substances, e.g. rubber to surfaces of films or sheets
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
- C09D163/10—Epoxy resins modified by unsaturated compounds
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
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- 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
- G03F7/038—Macromolecular compounds which are rendered insoluble or differentially wettable
Abstract
A light-screening coating composition containing a crabonaceous black pigment having a specific surface area of not more than 50 m<2>/g and a polymeric material is useful for forming a film with a fine and accurate pattern as the light-screening thin film of color filters for LCD, which film is excellent in various properties, including light-screening property required for such light-screening thin film; and also is excellent in storage stability and dispersion stability.
Description
The present invention relates to light-screening coating composition and uses thereof.More particularly, the present invention relates to can be used for to be formed for the light-screening coating composition of light filter film of the colour filter in liquid-crystal display, the display etc. and the purposes of this coating composition.
Known in order to improve contrast gradient and purity of color or in order to prevent that light from leaking to switching arrangement from the colour filter that is used for liquid-crystal display devices such as (LCD), a kind of light filter film that is called black matrix (blackmatrix) for example is interleaved between red, the green and blue colored fine pattern of each self-induced transparency that a transparent substrate forms, or is fed on the base material that places on the switching arrangement to filter unwanted light.
Along with the improvement of increase, precision and the fineness of LCD volume and the raising of turnout, now become increasing for the light filter film of various character and the demand of throughput thereof.For example, match, just require planeness, smoothness and the fusible improvement of base material and the covering (protective membrane) that needs light filter film with height optical filtering rate.In addition, for also having proposed requirement recently more consumingly such as reliability to the light filter films such as resistance of heat, water, moisture, alkali, solvent and liquid crystal.
Being mainly used in the material that forms this light filter film is metallic substance and resin material.Used metallic substance is a chromium etc., and used resin material is the coating composition of polymer materials (as resin) and filter (as carbon black).But metallic substance such as chromium has can cause environmental pollution, make light filter film have undesirable high reflectance and cause the problem of high productive expense.Have in this case, resin material is just attracting people's attention now.
Resin material with photoactive coating, alkali is molten or forms such as the molten coating of solvent, electrocoating paint, printing ink are used.Photochromics can use in some way, makes material paint a coating, then light shield exposure and the colour developing subsequently by having predetermined shape.Molten or the molten coating of solvent of alkali can followingly use: this material coating is formed paint film, on this paint film, form fast light layer and with this product by light shield exposure and the colour developing of distinguishing or partly eliminate simultaneously fast light layer and paint film subsequently.The use-pattern of electrocoating paint is: will have base material in its surface setting or the conducting wire that do not formalize and place and contain electrically conducting coating and bathe and apply electric current then.Printing ink can use with the mode that everybody knows.
Filter in these methods in the used coating mainly is as at the carbon black described in the JP-A-4-28201.Other known materials used has the black and black iron oxide of metal oxide such as titanium.The mixture of black pigment or dyestuff and coloured dye.In addition, as filter, JP-A-5-289336 discloses bismuth sulfide.It is black etc. that JP-A-8-34938 discloses phthalocyanine.
But have following problem: be difficult to obtain gratifying optical filtering performance, the storage stability of coating and dispersiveness can not be satisfactory, always can not obtain gratifying film and required optical filtering performance according to the difference that forms the light filter film method.
The inventor has done extensive studies and has solved the problems referred to above, particularly seeks the method that can form the light filter film that satisfies colour filter and the required various performances of liquid-crystal display.Found that by the filter in the coating that a kind of specific pigment is used to form film and just can reach above-mentioned target.
According to the present invention, the light-screening coating composition that comprises filter and polymer materials is provided, and (described filter is that specific surface area is no more than 50m
2The carbonaceous mineral black of/g), have between the transparent color fine pattern in its surface staggered light filter film base material, comprise the light filter film of aforementioned coating composition and prepare the method for described base material.
To go through the present invention below
Being used for carbonaceous mineral black of the present invention can be any known pigment.It comprises the carbon black of furnace treated black for example, thermally oxidized black, thermal black (thermal black), acetylene black, dim and bone black and is called black lead powder and the material of Graphite Powder 99 (hereinafter being called graphite).They all are commercial.
In the present invention, specific surface area is to measure by known nitrogen adsorption method own.Used carbonaceous mineral black preferably has 50-10m
2The specific surface area of/g more preferably has 30-15m
2The specific surface area of/g.
Carbonaceous mineral black consumption be preferably by 5% (weight) of the total weight of solids in the light-screening coating composition of the present invention or more than, more preferably 15-60% (weight).
Light-screening coating composition of the present invention comprises the above-mentioned carbon black as basic filter, as need be in the limits that does not undermine advantage of the present invention, also other filter be can comprise again, black pigment (, black ferriferous oxide black as titanium, bismuth sulfide are with perylene is black), other pigment, pigment extender, substantive dyestuff, matching stain, dispersed dye, oil-soluble dyes and vat dyes comprised.
As for the used polymer materials of the present invention, be not specifically limited, can use known photosensitive resin, alkali is molten or the molten resin of solvent, the electrophoretype photocuring that is conventionally used as known photoactive coating or heat reactive resin or thermosetting resin, alkali is molten or the molten type coating of solvent, electrocoating paint and printing ink.
Preferred especially light-screening coating composition of the present invention shows photosensitivity.Therefore used photosensitive resin material comprises for example acrylic resin type, vibrin type, polyimide resin type and epoxide resin type material.For example use the photosensitive resin material that is called the negative or positive photostabilizer to be fit to.Negative photostabilizer is the photostabilizer that for example contains acrylic resin and benzophenone type or anthraquinone type light trigger.The negative photostabilizer of commodity comprises V-259-PA (being produced by Shin-Nittetsu Kagaku Co) and Kayarad INC-116N (being produced by Nippon Kayaku Co.Ltd) and FH-2030 (Fuji Hunt Electronics Technology production).
Positive photostabilizer is those of esterification products that for example contain a phenolic varnish type resol and an o-quinonediazide.The positive photoresist of commodity comprises OFPR-800 (Tokyo Ohka Co production), PF-7400 (Sumitomo Chemical Co. production) and FH-2030 (Fuji HuntElectronics Technology production).
In the present invention, for obtaining storage stability and the good especially required light-screening coating composition of dispersion stabilization, this is as at least one Resins, epoxy that has the polyoxyalkylene chain on molecule and at least a, α, the light-cured resin of reaction product is especially suitable for use as photosensitive resin between β-alkene unsaturated acid.
The Resins, epoxy itself that has the polyoxyalkylene chain on molecule is known, it can be diepoxy glyceride product such as polyalkylene glycol diglycidylether and for example by alkylene oxide being added to the diglycidylether of the compound that obtains on the phenyl of bis-phenol, the bis-phenol here is for example dihydroxyphenyl propane, Bisphenol F and bisphenol S, and the alkylene oxide here is for example oxyethane, propylene oxide and butylene oxide ring.
α, the typical case of β-alkene unsaturated acid but not determinate example has vinylformic acid and methacrylic acid.
Resins, epoxy and α, the reaction between β-alkene unsaturated acid can be carried out under about 80-150 ℃ temperature, preferably carries out in the presence of to the organic solvent of reactionlessness such as ether and ester.
Consider the required character of performance and particularly colour filter of the light filter film of photocuring character in forming light filter film, formation, above the preferred 1-5mol/kg resin of double bond content in the light-cured resin that obtains like this.
Further contemplate the dose limitation of industrial photocuring medium ultraviolet light, more preferably the double bond content of 2-4mol/kg resin.
Double bond content can be by suitably selecting used α, the amount of β-alkene unsaturated acid is controlled, for making double bond content in above-mentioned scope, α usually, the approximate range of β-alkene unsaturated acid consumption is every mole of Resins, epoxy 0.5-2 mole that has polyoxyalkylene on molecule.
When photosensitive resin is used as polymer materials among the present invention, can use Photoepolymerizationinitiater initiater commonly used by the condition of ultraviolet radiation.The object lesson of this initiator comprises bitter almond oil camphor class (for example bitter almond oil camphor and benzoin methylether), phenyl methyl ketone class (phenyl methyl ketone and 2 for example, 2-dimethoxy-2-phenyl acetophenone), anthraquinone class (for example 2-ethyl-anthraquinone), thioxanthone (for example 2, and ketals (for example phenyl methyl ketone dimethyl ketone acetal) 4-dimethyl thioxanthone).Based on the total restatement of solid of the photosensitive resin that is used as polymer materials and filter, the dosage of initiator is 0.1-10% (weight).
The consumption of these polymer materialss is not specifically limited, and it can suitably determine according to the kind of polymer materials, the kind of filter and the specific surface area size of carbonaceous mineral black.
Consider optical filtering performance, planeness and film toughness and colour filter and the required optical property of liquid-crystal display by the filter coating that forms with composition of the present invention, preferred 10: 90 to 80: 20 of the weight ratio scope of filter and polymer materials, more preferably 20: 80 to 70: 30.
Except specified filter and polymer materials, light-screening coating composition of the present invention also can be included in various additives commonly used in above-mentioned various coating and the printing ink, comprises for example organic solvent such as hydro carbons, ether, ester, ketone, pure and mild cellosolve, water, other auxiliary pigment, photosensitizers, silane coupling agent, titanium coupling agent, aluminium coupler, dispersion agent, PH conditioning agent, anti-shallow lake agent and the levelling agent of filming.
The present invention has light-screening coating composition above-mentioned various material homodisperse and mixing to be prepared by using roll mill, ball mill, sand mill etc. in the usual way.
The light-screening coating composition of the present invention of Huo Deing is useful especially for the concrete base material that has light filter film on the surface that is used as the colour filter of LCD of preparation like this.This light filter film can form by ordinary method on the base material of red, green, blue isochromatic transparent color fine pattern.More particularly, can form light filter film is filled up the transparent color fine pattern after the transparent color fine pattern forms preceding or formation gap, perhaps, this film can form on another base material of the base material that is independent of band transparent color fine pattern.
For example, base material with the light filter film in the space that is used for filling up the transparent color fine pattern can prepare like this: form the transparent color fine pattern with ordinary method as printing, light lithography and galvanic deposit earlier, the light-screening coating composition of the application of the invention is through conventional method formation light filter film then.Like this, when light-screening coating composition of the present invention is photosensitive composition, obtain required base material with following method: at first on a transparent substrate, form required transparent color fine pattern, being coated with whole substrate surface formation one with coating composition of the present invention then films, Shang Mian transparent color fine pattern is capped like this, then with this pattern as diffuser and from the back side of base material with light thoroughly to filming, then develop.This as everybody knows method is called reverse exposure method.
There is variety of issue in this so far reverse exposure method regular meeting, the undesirable gap that produces between formation, light filter film and the transparent color fine pattern such as unsafty film and undesirably form light filter film on the transparent color fine pattern.And one of feature of the present invention is exactly the use of coating composition of the present invention in reverse exposure method and can makes the preparation of required base material not have these problems.
Required base material also can obtain according to the method described in the United States Patent (USP) 5503732.At first form the frame shape light filter film, form window shape transparent color fine pattern then with light-screening coating composition of the present invention.
When light-screening coating composition of the present invention was used to form light filter film on glass baseplate etc., the film that obtains was excellent in optical filtering.For example on the base material only also or be inserted in the leakage of all not observing light on the described base material between the polarizer of intersection.In addition; no matter use which kind of film, coating composition of the present invention can both provide that grazing is good, smoothness is good,, shaped fine good, reliable to the patience height of heat, water, temperature, alkali, solvent and liquid crystal to the adhesivity of base material and overlay film (protective membrane) light filter film accurately.Therefore, coating composition of the present invention is useful especially to the filter coating of the colour filter that is formed for LCD.
To describe situation of the present invention in detail by embodiment below, but the present invention is not limited to these embodiment.Except other had explanation, institute's target " part " and " % " were respectively weight part and weight percent among the embodiment.
Embodiment 1
Use with 20 μ m at interval bar shaped the glass baseplate of the nesa coating of 80 μ m width ITO films is arranged thereon (surface resistivity of conducting film is about 60 Ω/) and a kind of red electrodeposition coating composition (by 25 parts of Chromophthal Red A2B (being produced by Ciba-Geigy Corp) and 75 parts of Esbia#300 Clear (a kind of electrophoretype thermosetting resins, produce by Shinto Paint Co.Ltd) preparation), carry out galvanic deposit 10-20 second at 40-80V.With this galvanic deposit product of deionized water wash and 200 ℃ of thermal treatments 30 minutes.On the ITO film, form the thick transparent color fine pattern of about 1.5 μ m like this.
Is about 27m with 25 parts by nitrogen adsorption method measurement the specific area
2Raven 410 (the furnace treated blacks of/g, produce by Colombian Co.) and 50 parts of diethylene glycol monobutyl ether acetic esters as solvent be added to 75 parts of vinylformic acid and bear photostabilizer composition (INC-116N, produce by Nippon KayakuCo.Ltd) in, mixing the back handles with roll mill, then with 3 parts of Photoepolymerizationinitiater initiater (Irgacure#907, produce by Ciba-Geigy Corp.) join in the mixture, the mixture that obtains is fully stirred.So just obtain light-screening coating composition of the present invention.
Resulting coating composition is coated onto the whole surface of above-mentioned glass baseplate by the silk screen printing that covers colored fine pattern and 90 ℃ of prebakes 10 minutes to obtain thick the filming of about 8 μ m.By using high voltage mercury lamp with the film exposure, irradiation intensity is 80w/cm from the face opposite with the band face of base material
2, the time is 3-20 second.Then, base material be impregnated in the ethylene glycol butyl ether 2min to remove the unexposed portion of filming, then with deionized water wash and 200 ℃ of thermal treatments 30 minutes under room temperature.
Like this, obtained to have into the base material of the one-tenth pattern light filter film in the thick gap that is used for the filling color pattern of about 1.5 μ m of pattern on the surface.
The base material of Huo Deing does not have light leak to occur on the interface between light filter film and multi color pattern like this, and have straight, surface and high optical filtering ability highly uniformly, at only base material and be sandwiched in the leakage of all not observing unnecessary light on the base material between the polarizer of intersection.Like this, this base material demonstrates the good covering with paint as colour filter.Described light-screening coating composition also demonstrates satisfactory stability, this coating composition is not observed the phenomenon of degradation after one month in cold and black place storage.
Embodiment 2
Except (specific surface area of being produced by Degussa is about 40m with 15 parts of Special Black 250
2The furnace treated black of/g) and the black 13MH of 10 parts of titaniums (titanium oxide or the titanium oxynitrides produced by Mitsubishi Material Co.Ltd.) replace outside 25 parts of Raven 410, repeat the step among the embodiment 1.
The base material of Huo Deing does not have light leakage phenomena on the interface between light filter film and multi color pattern like this, and have straight and uniform surface and high optical filtering ability, at independent base material and be inserted in the leakage of all not observing unnecessary light on the base material between the polarizer of intersection.Like this, base material demonstrates the good covering with paint as colour filter.
This light-screening coating composition has also demonstrated satisfactory stability, this coating composition is not observed the phenomenon of degradation after one month in cold and black place storage.
Reference example 1 (preparation of light-cured resin 1)
(1) diglyme is 46.2 parts
(2) Epolight is 3,002 326.0 parts
(dihydroxyphenyl propane of the diglycidyl ether modification of propylene oxide, the phenol epoxide equivalent: the 326g/ equivalent, produce by Kyoeisha Yushi Kagaku Kogyo Co.Ltd.)
(3) vinylformic acid is 72.0 parts
(4) the methoxyl group quinhydrones is 0.6 part
(5) chlorination three second benzyl ammoniums are 1.2 parts
Component (1), (2), (3), (4) and (5) are placed the 4 neck flasks that have agitator, thermometer and condenser, and the temperature of mixture rises with stirring, with mixture 120 ° ± 3 ℃ keep 6 hours up to acid number become 5 or below.
So just obtained sticking light-cured resin 1 (non-volatility resin content: double bond content 90%: the 2.5mol/kg resin).
Reference example 2 (preparation of light-cured resin 2)
(1) diglyme is 32.6 parts
(2) Epolight 200p is 220.0 parts
(three propylene oxide diglycidyl ethers, epoxide equivalent: the 220g/ equivalent, produce by Kyoeisha Yushi Kagaku Kogyo Co.Ltd.)
(3) vinylformic acid is 72.0 parts
(4) the methoxyl group quinhydrones is 0.4 part
(5) chlorination triethyl benzyl ammonium is 0.8 part
Component (1), (2), (3), (4) and (5) are placed the 4 neck flasks that have agitator, thermometer and condenser, and the temperature of mixture rises with stirring, with mixture 120 ° ± 3 ℃ keep 6 hours up to acid number become 5 or below.
So just obtained sticking light-cured resin 2 (non-volatility resin content: double bond content 90%: the 3.4mol/kg resin).
Embodiment 3
(1) light-cured resin is 1 75 parts
(2) the propylene glycol monomethyl ether is 100 parts
(3) Raven is 410 25 parts
(long-pending by the ratio table of Colombian Co. production is 27m
2The furnace treated black of/g)
(4) A-1120 is 2 parts
(by the silane crosslinker of Nippon Unikar Co.Ltd production)
(5) Irgacure is 907 1 parts
(by the light trigger of Ciba-Geigy Corp production).
The mixture of component (1), (2), (3) and (4) is passed through to use granulated glass sphere (EGB-530MM, produce by Toshiba-Barotini Co.Ltd) disperseed 5 hours, the dispersion that obtains is further disperseed with roll mill again, component (5) is added to obtains photo curable light-screening coating composition in this dispersion then.
Use with 20 μ m at interval the glass baseplate of the nesa coating of the 80 μ m width ITO films that provide thereon of bar form (surface resistivity of conducting film is that 60 Ω/) and a kind of red electrodeposition coating composition are (by 25 parts of Chromophthal Red A2B (being produced by Ciba-Geigy Corp) and 75 parts of Esbia#300 Clear (a kind of electrophoretype thermosetting resins, produce by Shinto Paint Co.Ltd)), carry out galvanic deposit 10-20 second at 40-80V.With this galvanic deposit product of deionized water wash and 200 ℃ of thermal treatments 30 minutes.On the ITO film, form the thick transparent color fine pattern of about 1.5 μ m like this.
By silk screen printing will obtain above the photo curable coating composition whole surface that is coated in above-mentioned glass baseplate with cover described colored fine pattern and at 90 prebake 10min to obtain filming of the about 8 μ m of thickness.With 80w/cm
3Irradiation intensity and the time of 3-20 second film is exposed from the back side of base material with high voltage mercury lamp.Then base material be impregnated in the ethylene glycol butyl ether 2 minutes to remove the unexposed portion of filming, then with deionized water wash and 200 ℃ of thermal treatments 30 minutes under room temperature.
The base material of Huo Deing does not have light leakage phenomena on the interface between light filter film and multi color pattern like this, and have straight and uniform surface and high optical filtering ability, at independent base material and be inserted in the leakage of all not observing unnecessary light on the base material between the polarizer of intersection.Like this, base material demonstrates the good covering with paint as colour filter.Described photo curable coating composition also demonstrates satisfactory stability, this coating composition is not observed the phenomenon of degradation after one month in cold and black place storage.
Embodiment 4
(1) light-cured resin is 2 60 parts
20 parts of (2) two pentaerythrityls six acrylate
(3) the propylene glycol monomethyl ether is 100 parts
(4) Lamp Black is 101 30 parts
(by the 20m that has of Dagussa production
2The carbon black of/g specific surface area)
(5) Pren Act ALM is 2 parts
(by the aluminum crosslinker of Ajinomoto Co.Inc production)
(6) Irgacure is 907 1 parts
(by the light trigger of Ciba-Geigy Corp. production)
The mixture of component (1), (2), (3) and (4) is passed through to use granulated glass sphere (EGB-530MM, produce by Toshiba-Barotini Co.Ltd) disperseed 5 hours, must dispersion extremely further disperse with roll mill again, component (5) and (6) are added in this dispersion obtain light-screening coating composition then.
It is thick by silk screen printing the coating composition that obtains above to be coated with 1.1mm on the whole surface of a glass baseplate.At 90 ℃ after predrying 10 seconds, carry out uv irradiation by wide exposed portion of 20 μ m and the wide light shield that filters part of 80 μ m that uses irradiator UVC-5039 (producing) will film by the tool strip by Ushio Inc..
After the exposure, base material at room temperature be impregnated in the ethylene glycol butyl ether 30 minutes, become clear with deionized water wash up to washing water then.After this base material is flooded in Virahol and vibrate, baked dry 60 minutes at 200 ℃ then.
Like this, obtained the light filter film of thickness 1 μ m on glass baseplate, this film has predetermined stable shaped, high optical filtering ability and high rigidity and the good required various performances of spectral filter.This light-screening coating composition also demonstrates good storage stability, this light-screening coating composition is not observed the phenomenon of degradation after one month in cold and black place storage.
Japanese patent application 8-153110,8-117056 and 8-181284 (comprising patent specification, claims and summary) that each comfortable May 23, June 17 and June 21, application was put on record all intactly incorporate this paper into by reference at this.
Claims (10)
1. the light-screening coating composition that contains filter and polymer materials, described filter are that specific surface area is no more than 50m
2The carbonaceous mineral black of/g.
2. according to the composition of claim 1, wherein said carbonaceous mineral black is carbon black or graphite.
3. according to the composition of claim 1, wherein based on solids gross weight meter in the composition, the content of carbonaceous mineral black is 5% (weight) or higher.
4. according to the composition of claim 1, wherein said polymer materials is photosensitive resin, alkali molten or molten resin of solvent or thermosetting resin.
5. according to the composition of claim 1, wherein said polymer materials is a photosensitive resin.
6. according to the composition of claim 1, wherein said photosensitive resin is a kind of light-cured resin, and it is at least a Resins, epoxy and at least a α that has the polyoxyalkylene chain on molecule, the reaction product of β-alkene unsaturated acid.
7. according to the composition of claim 6, wherein said light-cured resin has the double bond content of 1-5mol/kg resin.
8. according to the composition of claim 1, wherein the weight ratio scope of polymer materials and filter is 90: 10 to 20: 80.
9. have the base material of light filter film staggered between the transparent color fine pattern in its surface, described light filter film comprises specific surface area and is no more than 50m
2The carbonaceous mineral black of/g as filter.
10. preparation has the method for the base material of light filter film staggered between in its surface the transparent color fine pattern, be included in the transparent color fine pattern form preceding or form after use the step that is coated with a kind of transparent substrate according to the composition of claim 1.
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15311096A JPH09310028A (en) | 1996-05-23 | 1996-05-23 | Pigment dispersion composition and production of substrate having light blocking thin film on surface |
| JP153110/96 | 1996-05-23 | ||
| JP177056/96 | 1996-06-17 | ||
| JP17705696A JPH101638A (en) | 1996-06-17 | 1996-06-17 | Light-shielding coating composition and method for producing substrate having light-shielding thin film on surface |
| JP181284/96 | 1996-06-21 | ||
| JP18128496A JPH107982A (en) | 1996-06-21 | 1996-06-21 | Photocurable coating composition and process for producing substrate having light-screening thin film on the surface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1167793A true CN1167793A (en) | 1997-12-17 |
Family
ID=27320403
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN97105440A Pending CN1167793A (en) | 1996-05-23 | 1997-05-23 | Light-screening coating composition and application thereof |
Country Status (3)
| Country | Link |
|---|---|
| KR (1) | KR980002169A (en) |
| CN (1) | CN1167793A (en) |
| TW (1) | TW455623B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7324169B2 (en) | 2003-07-01 | 2008-01-29 | Samsung Electronics Co., Ltd. | Projection optical system, projection television, and method of manufacturing lens included in projection optical system |
| CN100444631C (en) * | 2003-07-01 | 2008-12-17 | 三星电子株式会社 | Projection optical system, projection television, and method of manufacturing lens included in projection optical system |
| CN100448937C (en) * | 2004-11-24 | 2009-01-07 | 精碟科技股份有限公司 | Production of filtering element and its coating composition |
| US8281346B2 (en) | 2005-12-05 | 2012-10-02 | Samsung Electronics Co., Ltd. | Method and apparatus for utilizing DVD content through home network |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100842440B1 (en) * | 2006-10-20 | 2008-07-01 | 손상호 | Polymer substrate with a function of the color filter and method thereof |
-
1997
- 1997-05-21 TW TW086106834A patent/TW455623B/en not_active IP Right Cessation
- 1997-05-22 KR KR1019970019904A patent/KR980002169A/en not_active Application Discontinuation
- 1997-05-23 CN CN97105440A patent/CN1167793A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7324169B2 (en) | 2003-07-01 | 2008-01-29 | Samsung Electronics Co., Ltd. | Projection optical system, projection television, and method of manufacturing lens included in projection optical system |
| CN100444631C (en) * | 2003-07-01 | 2008-12-17 | 三星电子株式会社 | Projection optical system, projection television, and method of manufacturing lens included in projection optical system |
| CN100448937C (en) * | 2004-11-24 | 2009-01-07 | 精碟科技股份有限公司 | Production of filtering element and its coating composition |
| US8281346B2 (en) | 2005-12-05 | 2012-10-02 | Samsung Electronics Co., Ltd. | Method and apparatus for utilizing DVD content through home network |
Also Published As
| Publication number | Publication date |
|---|---|
| KR980002169A (en) | 1998-03-30 |
| TW455623B (en) | 2001-09-21 |
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