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WO2008038569A1 - Filtre optique - Google Patents

Filtre optique Download PDF

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Publication number
WO2008038569A1
WO2008038569A1 PCT/JP2007/068276 JP2007068276W WO2008038569A1 WO 2008038569 A1 WO2008038569 A1 WO 2008038569A1 JP 2007068276 W JP2007068276 W JP 2007068276W WO 2008038569 A1 WO2008038569 A1 WO 2008038569A1
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Prior art keywords
group
general formula
chemical
ring
formula
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PCT/JP2007/068276
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English (en)
Japanese (ja)
Inventor
Yasushi Aizawa
Kentaro Yano
Jun'ichiro Ihara
Masaaki Tamura
Yoji Yamaguchi
Original Assignee
Kabushiki Kaisha Hayashibara Seibutsu Kagaku Kenkyujo
Japan Carlit Co., Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by Kabushiki Kaisha Hayashibara Seibutsu Kagaku Kenkyujo, Japan Carlit Co., Ltd. filed Critical Kabushiki Kaisha Hayashibara Seibutsu Kagaku Kenkyujo
Priority to JP2008536346A priority Critical patent/JP5216997B2/ja
Publication of WO2008038569A1 publication Critical patent/WO2008038569A1/fr

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/20—Filters
    • G02B5/208—Filters for use with infrared or ultraviolet radiation, e.g. for separating visible light from infrared and/or ultraviolet radiation
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B23/00—Methine or polymethine dyes, e.g. cyanine dyes
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B69/00—Dyes not provided for by a single group of this subclass
    • C09B69/02—Dyestuff salts, e.g. salts of acid dyes with basic dyes
    • C09B69/06—Dyestuff salts, e.g. salts of acid dyes with basic dyes of cationic dyes with organic acids or with inorganic complex acids
    • 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
    • H01J11/34—Vessels, containers or parts thereof, e.g. substrates
    • H01J11/44—Optical arrangements or shielding arrangements, e.g. filters, black matrices, light reflecting means or electromagnetic shielding means
    • 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
    • H01J2211/448—Near infrared shielding means

Definitions

  • the present invention relates to an optical filter comprising an organic dye compound.
  • the present invention relates to an optical filter that can be mounted on the surface of a display such as a plasma display TV to improve image characteristics and prevent malfunctions caused by electronic equipment using a near-infrared ray remote control.
  • a plasma display is a video display device that uses gaseous plasma discharge light. It has a color purity comparable to that of a cathode ray tube, is easy to achieve full color, and has a wide viewing angle, making it compatible with high-definition television broadcasting. Development and mass production of large-sized video display devices are underway. Tokorochi Hirai Uchiike, “The Journal of the Institute of Image Information and Television Engineers”, Volume 51, No. 4, pp. 459 to 463 (1997) and Masahei Nozaki, “Monthly Display”, Vol. 6, No.
  • the plasma display in principle, has a so-called “neon orange color” around a wavelength of 600 nm that is emitted when excited neon atoms return to the ground state. '' And unnecessary near-infrared radiation are unavoidable, and when mixed with red light emission, a bright red display with good color purity cannot be obtained or the infrared remote control may malfunction. .
  • pigments for improving display image characteristics such as preventing reflection of fluorescent lamps, and films and optical filters using pigments are being studied!
  • a method of attaching a front member using a near-infrared absorber to the display part of a plasma display has been proposed.
  • Kaihei 9-241520 discloses a front member member using a nickel complex, azo, and anthraquinone organic dye compound as a near-infrared absorber.
  • JP-A-10-128898 discloses a heterocyclic group
  • Front members using anthraquinone and dithiol-uckel complex organic dye compounds have been proposed.
  • JP 2001-188121 A A squalium dye has been proposed.
  • the present invention cuts infrared rays and / or neon light, etc., which hinder image characteristics and the like, improves the image characteristics of the display, and maintains its performance for a long period of time. It is an object to provide an optical filter with excellent light resistance.
  • an optical filter characterized by containing an ionic conjugate of cyclic disulfonylimide anion and dye power thione is in the visible to infrared region. It has been found that it has the maximum absorption and can effectively block unnecessary light radiated from the image display device when it is used as an optical filter attached to an image display device such as a plasma display. Further, it has been found that such an optical filter has excellent light resistance and maintains its performance even for a long period of time.
  • the present invention is characterized by containing an ionic conjugate in which the cyclic disulfonylimide anion represented by the general formula 1 and the dye cationic force S represented by the general formula 2 are S-ion bonded.
  • the problem is solved by providing an optical filter.
  • R and R each independently represent a hydrogen atom or a halogen atom.
  • Y represents a methine chain, and the methine chain has a substituent and / or a cyclic structure.
  • Z and Z represent the same or different aromatic rings or heterocyclic rings
  • the aromatic ring and the heterocyclic ring may have a substituent.
  • the present invention provides a dimonium salt represented by the general formula 3 or a skeleton represented by the general formula 4 in addition to the ionic conjugate of the cyclic disulfonylimide anion and the dye cation.
  • the above-mentioned problems are solved by providing an optical filter characterized in that it contains both! /, Deviated or! /, Of an organometallic complex having a hydrogen atom.
  • R to R are each independently a hydrogen atom or an appropriate substituent.
  • X_ is an anion.
  • R 1 to R 4 each independently represents a hydrogen atom or an appropriate substituent
  • R and R, R and R may be connected to each other to form an aromatic ring.
  • Y and Y are each
  • the optical filter of the present invention is excellent in light resistance and does not deteriorate its light absorption ability over a long period of time, and can be used for various optical filter applications.
  • an optical filter attached to an image display device such as a plasma display
  • it effectively blocks unwanted light radiated from image display equipment that does not impair the color purity of the three primary colors of the image in the visible light range, resulting in high-quality images with excellent contrast and image characteristics. Is obtained.
  • the infrared remote control falls in the near infrared range, the infrared remote control will not malfunction due to the near infrared! /.
  • the optical filter used in the present invention is excellent in light resistance, it becomes an optical filter whose performance hardly deteriorates even when used for a long time.
  • FIG. 1 Light transmittance of a near-infrared thin film filter containing compound 34 prepared in Example 1 BEST MODE FOR CARRYING OUT THE INVENTION
  • the present invention is described in detail below. As described above, the present invention is represented by the general formula 1.
  • An optical filter comprising a cyclic disulfonylimide anion and a dye conjugate represented by the general formula 2.
  • R and R each independently represent a hydrogen atom or a halogen atom.
  • hydrogen atom and the rogen atom include a fluorine atom, a bromine atom, and a chlorine atom. Of these, a fluorine atom is preferred. A compound in which R and R are both fluorine atoms is particularly preferred.
  • n represents the number of carbon atoms of the alkylene group, and is an integer of 2 to 6, preferably 2 to 5, and more preferably 3.
  • Y represents a methine chain, specifically, a monomethine chain force, or a methine chain having 1 to 12 carbon atoms formed by bonding a plurality of methine groups, Especially preferred are methine chains with 1 to 7 carbon atoms!
  • the individual methine chain may have a cyclic structure, and examples of the individual cyclic structure include one or more double bonds and / or heteroatoms such as a cyclobutene ring and a cyclopentane.
  • Monocyclic ring such as ten ring, cyclohexene ring, benzene ring, dehydrodecalin ring, pyridine ring, dihydropyridine ring, tetrahydropyridine ring, furan ring, dihydrofuran ring, thiophene ring, dihydrothiophene ring, hexahydroquinoline ring Or a condensed polycyclic type is mentioned.
  • the methine chain and the cyclic structure may have one or more substituents without departing from the object of the present invention.
  • substituents in the methine chain and cyclic structure include, for example, methinole group, ethyl group, vinylinole group, propyl group, isopropyl group, isopropenyl group, 1 propenyl group, 2-propenyl group, and 2-propynyl group.
  • Z and Z represent the same or different aromatic rings or heterocyclic rings
  • the prime ring may have one or more substituents.
  • aromatic rings in Z and Z are examples of aromatic rings in Z and Z.
  • a force such as a benzene ring, naphthalene ring, azulene ring, anthracene ring, phenanthrene ring, biphenyl ring, or a heterocyclic ring includes, for example, a nitrogen atom, phosphorus atom, oxygen atom, sulfur atom, selenium atom, tellurium To group 15 or 16 in the periodic table of atoms, etc.
  • telo atoms such as imidazoline ring, imidazole ring, benzimidazole ring, ⁇ -naphthimidazole ring, / 3-naphthoimidazole ring, indole ring, isoindole ring, indolenine ring, isoindolenine ring, Benzoindolenin ring, pyridino indolenine ring, oxazoline ring, oxazole ring, isoxazole ring, benzoxazole ring, pyridinooxazole ring, ⁇ -naphthoxazole ring, / 3-naphthoxazole ring, selenazoline ring, selenazole ring, Benzoselenazole ring, ⁇ -naphthoselenazole ring, 0 naphthoselenazo
  • Examples of the substituent in ⁇ and ⁇ include, for example, methyl group, ethyl group, bur group, propylene.
  • a particularly preferable compound is R in the general formula 1.
  • n represents the number of carbon atoms of the alkylene group, and represents the same value as n in general formula 1.
  • the cyanine dye represented by the general formula 6 can relatively easily change the conjugated carbon number of the methine chain in terms of synthesis. Since the absorption wavelength varies greatly depending on the number of conjugated carbons, it is possible to obtain the desired absorption wavelength by changing the number of conjugated carbons in the methine chain and to have a high molecular extinction coefficient. Therefore, it is particularly preferable for selecting a desired absorption wavelength in the optical filter.
  • Z and Z are benzene ring, naphthalene ring, pyridine ring, quinoline ring,
  • An aromatic ring such as a quinoxaline ring is represented, and these aromatic rings may have one or more substituents. Examples of the substituent are the same as the substituents bonded to Z and Z in formula 2.
  • a to A in the general formula 6 represent a carbon atom or a hetero atom
  • Examples thereof include group 15 and group 16 atoms in the periodic table such as nitrogen atom, oxygen atom, sulfur atom, selenium atom and tellurium atom.
  • group 15 and group 16 atoms in the periodic table such as nitrogen atom, oxygen atom, sulfur atom, selenium atom and tellurium atom.
  • the 12 carbon atom may be an atomic group mainly composed of 2 carbon atoms such as an ethylene group or a vinylene group. Moreover, even if A and A in general formula 6 are the same,
  • R and R in the general formula 6 represent an aliphatic hydrocarbon group or an aromatic hydrocarbon group.
  • aliphatic hydrocarbon group examples include, for example, methyl group, ethyl group, propyl group, isopropinole group, isopropenyl group, 1-propenyl group, 2-propenyl group, butyl group, isobutyl group, sec butyl group, tert butyl group, 2 butyr group, 1,3 butagenyl group, pentyl group, isopentyl group, neopentyl group, tert pentyl group, 1-methylpentyl group, 2 methylpentyl group, 2 penturyl group, hexyl group, iso Hexyl group, 5-methylhexyl group, heptyl group, octyl group, etc., and aromatic hydrocarbon groups such as ⁇ , phenol group, ⁇ ⁇ linole group, m ⁇ linole group, p ⁇ ⁇ linole group, xy linole group
  • R and R may be the same or different from each other.
  • R to R in General Formula 6 each independently represents a hydrogen atom or an appropriate substituent.
  • substituents include, for example, methyl group, ethyl group, propyl group, isopropinole group, butyl group, isobutyl group, sec butyl group, tert butyl group, pentyl group, isopentyl group, neopentyl group, tert pentyl group.
  • a to A are heteroatoms.
  • R to R are bonded to Z or Z or a substituent in Z or Z to form a condensed ring.
  • R and R, R and R are combined to form a carbon atom, oxygen atom, and sulfur atom.
  • L represents a methine chain, and examples thereof include the same methine chain Y in general formula 2.
  • Examples of the ionic conjugate of the cyclic disulfonylimide anion and the dye cation used in the present invention include those represented by Chemical Formula 1 to Chemical Formula 51, for example. These ionic conjugates have, for example, optical absorption filters such as plasma displays, as neon light-absorbing dyes having an absorption maximum in the wavelength region of 550 to 620 nm, or have a maximum absorption in the near infrared region of wavelength 800 to 1200 nm. It is extremely useful as a near infrared absorbing dye. In addition, the compound used by this invention is not limited to these.
  • any of the compounds represented by the chemical formulas 1 to 51 of the present invention can be obtained in a desired amount according to a known method for preparing a similar compound or a force by a known method.
  • Can do for example, FM Harmer, “Heterocyclic Com pounds and yanme uyes and Related ompounds”, Nyung Willy Zonoto 'John Wiley & Sons, New York, London, 1964, published by DM Sturmer,' Heterocyclic 'compounds, Peschanole Totubix in Heterocyclic ⁇ Heterocyclic Compoun ds—special topics in cyclic chemistry, 18 early, verses 14, pp.
  • the optical filter of the present invention includes either a dimonium salt represented by the general formula 3 or an organometallic complex having a skeleton represented by the general formula 4, in addition to the organic dye compound. Or both can be included as near infrared absorbers or light resistance improvers.
  • R to R are each independently a hydrogen atom or an appropriate substitution.
  • substituents include a methyl group, an ethyl group, a propyl group, an isopropyl group, a butyl group, an isobutyl group, a sec-butyl group, a tert-butyl group, a pentyl group, an isopentyl group, a neopentyl group, and a tert-pentyl group.
  • R to R are not particularly limited as long as they are the above substituents.
  • a straight-chain aliphatic hydrocarbon group having 2 to 6 carbon atoms such as an aliphatic hydrocarbon group having a chain or a side chain, a halogenated alkyl group, or a cyanoalkyl group, is particularly preferred.
  • Particular preferable ones include ethyl group, propyl group, butyl group, pentyl group, isopropyl group, isobutyl group and isopentyl group.
  • the arylalkyl group in R to R is preferably a phenylalkyl group.
  • the phenyl group in the phenylalkyl group further includes an aliphatic hydrocarbon group, a hydroxyl group, a sulfonic acid group, an alkylsulfonic acid group, a nitro group, an amino group, an alkoxy group, a halogenated alkyl group, and a halogen.
  • more preferred arylalkyl groups include phenylalkyl groups having no substituent.
  • Such a phenylalkyl group is particularly preferred! /, And examples thereof include a benzyl group and a phenethylol group.
  • X is an anion for forming a salt, and is an anion that keeps general formula 3 neutral.
  • Such anions include, for example, organic acids and inorganic acids, and are not particularly limited.
  • R 1 to R 4 are each independently a hydrogen atom or an aliphatic hydrocarbon group.
  • Such aromatic rings include benzene rings or naphthalene rings.
  • the benzene ring or naphthalene ring may have a substituent, and examples of the substituent include the same substituents as Z and Z in formula 2.
  • Examples of the aliphatic hydrocarbon group and the aromatic hydrocarbon group in R 1 to R 4 include ones
  • Y and Y each independently represent an oxygen atom, a sulfur atom or a nitrogen atom, particularly sulfur
  • M represents a metal atom or metal ion.
  • Group 3 to group 12 transition metals in the periodic table such as cobalt, rhodium, iridium, nickel, noradium, platinum, copper, silver, gold, zinc, force domes, mercury, etc., are selected. From the viewpoint of production cost and ease of handling, Group 9 to Group 11 cobalt, Nikkenore and copper in the periodic table are preferred.
  • the organometallic complex having a skeleton represented by the general formula 4 has a cationic counter ion to keep the organometallic complex neutral.
  • cationic counterions include tetramethylammonium, tetraethylammonium, tetrabutylammonium, octyltriethylammonium, phenyltrimethylammonium, triphenylenorebutinoleammonium, trifium.
  • Quaternary ammonium salts such as Enenorependinoleanmonium, Tetraphenylenomonium, Tetramethylphosphonium, Tetraethylphosphonium, Tetrabutinorephosphonium, Octinoretrechinorephosphonium, Hue Examples include quaternary phosphonium salts such as ninoretrimethinorephosphonium, triphenenolebutinorephosphonium, triphenenolevenorephosphonium and tetraphenylphosphonium.
  • Examples of the dimonium salt include those represented by the chemical formulas 52 to 56, and examples of the organic metal complex include those represented by the chemical formulas 57 to 62.
  • Each of the above dimonium salt and organometallic complex can be obtained in a desired amount according to a known method or according to a known method for preparing an analogous compound.
  • the dimoyuum salt can be produced, for example, with reference to Japanese Patent Application Laid-Open No. 2005-325292, and the organometallic complex can be produced by “organometallic compound synthesis method and utilization method”, supervised by Akio Yamada, Tokyo Chemical Dojin, Year issue).
  • the optical filter of the present invention containing an ion conjugate of the cyclic disulfonylimide anion and the dye cation will be described.
  • At least the member used for the optical filter of the present invention is a member used.
  • a ionic conjugate of a cyclic disulfonylimide anion as a light absorber and a dye cation.
  • a dimonium salt, an organometallic complex, or the like can be used in combination.
  • the “light absorber” in the present invention means that unnecessary light emitted from a video display device or natural light, particularly light in the near infrared region, is substantially used by being used for such a member. It means a composition containing a light-absorbing organic compound or a light-absorbing organic compound that is blocked.
  • the content of the light-absorbing organic compound is usually in a range of! To 1000 mg / m 2 , preferably 5 to 100 mg / m, per unit area of the optical filter. .
  • the transparent substrate has a light transmittance of 50% or more, preferably 70% or more in the entire visible region, for example, ABS resin, polyacrylic acid resin, polyacrylic acid ester resin, polyarylate resin, Examples include polyester resin, polyethersulfone resin, polychlorinated bur resin, polyolefin resin, polycarbonate resin, polyacetic acid bur resin, polystyrene resin, polymethacrylic acid resin, polymethacrylic ester resin, and glass and ceramic. If necessary, these are used in appropriate combination.
  • polyacrylic acid resin polyacrylic acid ester resin
  • polyarylate resin polyester resin
  • polyethersulfone resin polyolefin resin
  • polycarbonate resin polymethacrylic acid resin
  • polymethacrylic acid An ester resin is particularly preferred.
  • the optical filter according to the present invention has the ability to form, for example, a film shape, a sheet shape, a panel shape, etc. according to the shape of the use portion after the light absorber is mixed into the transparent substrate.
  • a light absorber is adhered to one or both sides of a transparent substrate that has been formed into a film, sheet, panel, etc. It is possible to manufacture by forming S.
  • the thickness of the transparent base material after molding is preferably 0.5; 1 m to 10 mm, although it depends on the material of the transparent base material and the area of the used part. Is more preferable.
  • the transparent base material may be temporarily bonded to a glass plate or the like according to the shape of the use part, and the glass plate may be attached to the use part.
  • the transparent base material is formed to be relatively thin, for example, in the form of a film or a sheet, and an adhesive layer or the like for bonding the transparent base material to the glass plate is formed on one side thereof. .
  • the resin that is the transparent substrate and the light absorber are melt-kneaded and, if necessary, once formed into a pellet or the like, Shape according to the shape of the display part in the video display device by methods such as extrusion molding, injection molding, press molding, etc., or mix the raw material monomer of the transparent substrate and the light absorber and shape the display part Depending on the type, cast polymerization is performed.
  • a light absorber in the latter method of providing a light absorber layer in close contact with a transparent substrate, for example, if necessary, a light absorber can be used together with, for example, black mouth form, Dissolves in organic solvents such as cyclohexanone, ethyl methyl ketone, isopropyl methyl ketone and other ketones, halogenated hydrocarbons, ether glycols such as ethylene glycol monopropyl ether, and esters.
  • organic solvents such as cyclohexanone, ethyl methyl ketone, isopropyl methyl ketone and other ketones, halogenated hydrocarbons, ether glycols such as ethylene glycol monopropyl ether, and esters.
  • organic solvents such as cyclohexanone, ethyl methyl ketone, isopropyl methyl ketone and other ketones
  • halogenated hydrocarbons ether glycols such as ethylene
  • Examples of the noder include ethylene monoacetate copolymer resin, ethylene monovinyl alcohol copolymer resin, cellulose acetate resin, acetate resin, cellulose resin, nylon, phenol resin, phenoxy resin, and polyester.
  • Examples thereof include resins, polyethylene methacrylate resins, polycarbonate resins, polystyrene resins, polysulfone resins, polyvinyl butyral resins, polymethyl methacrylate resins, and the like, and these are used in combination as necessary.
  • Such binder is usually used in a weight ratio of 10 to 1,000 times, preferably 50 to 500 times, with respect to the light absorber of the present invention.
  • the solid light absorber is dispersed as fine particles having a particle diameter of 0.1 to 10 Hm, preferably 0.5 to 5 Hm.
  • the optical filter of the present invention includes an ionic conjugate of a cyclic disulfonylimide anion and a dye cation, or an ionic conjugate of a cyclic disulfonylimide anion and a dye cation, without departing from the object of the present invention.
  • dimonium salt or a light absorber composed of an organometallic complex such as an ammium salt compound, an amino compound, an aminothiol nickel complex compound, an anthraquinone compound, an immuumum Compounds, cyanine compounds, triallylmethane compounds, naphthoquinone compounds, nitroso compounds and their metal salts, phthalocyanine compounds, carbon black, indium tin oxide, antimony tin oxide, benzotriazo Compounds, benzophenone compounds, UV absorbers containing droxybenzoate compounds, titanium oxide, zinc oxide, cerium oxide, iron oxide, barium sulfate, etc., as well as antioxidants, flame retardants, stabilizers, lubricants, antistatic agents, heat resistance
  • an anti-aging agent and a release agent may be contained.
  • An ionic conjugate of the cyclic disulfonylimide anion and dye power thione of the present invention, or such a cyclic disulfonylimide anion and dye catho When combined with a near-infrared absorber or ultraviolet absorber as described above, a light absorber containing an ionic conjugate with diamine and a dimonium salt or an organometallic complex is used as an organic dye compound contained in the light absorber. Light resistance is remarkably improved, and it effectively suppresses fading, denaturation and decomposition by ambient light such as natural light and artificial light.
  • the optical filter of the present invention may be used in the field as needed, for example, silver, silver palladium alloy, indium oxide, indium oxide tin oxide mixture (ITO), zinc oxide, etc.
  • These materials are usually formed as a layer independent of the light-shielding layer containing the light absorber on the transparent substrate by a method such as vacuum deposition, sputtering, ion plating, or ion beam assist.
  • one or more of an ultraviolet blocking layer, an electromagnetic wave blocking layer, an antireflection layer, etc. are formed on a film or sheet of the same material as that on the transparent substrate, and the film or sheet is formed as a transparent substrate. Paste to.
  • the optical filter according to the present invention displays, as necessary, a non-glare layer for suppressing glare and a wide viewing angle, a hard coat layer for protecting the surface, and an optical filter. It does not interfere with the provision of one or more adhesive layers for attachment to equipment or glass plates.
  • the thus obtained optical filter of the present invention comprises an ionic conjugate of a cyclic disulfonylimide anion and a dye cation, or an ionic conjugate of a cyclic disulfonylimide anion and a dye cation.
  • the color purity of the three primary colors of light is impaired by selecting an ionic conjugate having an appropriate absorption range according to the wavelength of light to be blocked. It selectively blocks unwanted light in the near-infrared region, especially infrared light and / or neon light in the plasma display, and reproduces the three primary colors of light well in the visible light region.
  • Image display devices to which the optical filter of the present invention can be applied include, for example, a direct-view television using a cathode ray tube, a plasma display, and an electroluminescence display.
  • a light-emitting panel television using a display a non-light-emitting panel television using a liquid crystal display, and a rear projection television with a built-in liquid crystal projector.
  • the optical filter of the present invention can be applied very advantageously to a light-emitting panel type television using a plasma display, an electroluminescence display, or the like that easily radiates unnecessary light in principle.
  • Fig. 1 shows the light transmission spectrum of an optical filter containing an ion conjugate represented by Chemical Formula 34.
  • the stability of the ionic conjugate contained in the optical filter of the present invention was improved by about 10% compared with the comparative example conventionally used as a near-infrared absorbing material.
  • the ionic conjugate contained in the optical filter of the present invention is superior to materials used in the past, and an improvement in light resistance of about 10% has been confirmed.
  • the light stability is improved! / It turns out that it is effective.
  • a thin film filter was formed on a polycarbonate substrate by spin coating.
  • the absorption of the thin film at that time was measured, and the absorbance (initial absorbance) of the dye at the absorption maximum wavelength ( ⁇ max) ( ⁇ max in chemical formula 34 was 947 nm and ⁇ max in chemical formula 37 was 865 nm) was measured.
  • Example 1 Optical filter
  • All of the optical filters of this example that effectively block unwanted light radiated from an image display device that does not impair the color purity of the three primary colors of the image are advantageous for image display devices such as plasma displays. Applicable.
  • Example 2 Optical filter
  • optical filters in this example that effectively block unwanted light radiated from video display equipment that does not impair the color purity of the three primary colors of the video are advantageous for video display equipment such as plasma displays. It was possible to create an optical filter that was applicable and improved in light resistance.
  • Example 3 Optical filter
  • All of the optical filters in this example that effectively block unwanted light radiated from video display equipment that does not impair the color purity of the three primary colors of the video are advantageous for video display equipment such as plasma displays. It was possible to create an optical filter that was applicable and improved in light resistance.
  • the optical filter of the present invention has excellent light resistance and does not deteriorate its light absorption ability over a long period of time, and can be used for various optical filter applications.
  • the optical filter of the present invention When used in an optical filter attached to a video display device, in the visible light range, it effectively blocks unwanted light emitted from the video display device without impairing the color purity of the three primary colors of the image, thus improving contrast and color reproducibility.
  • Excellent high-quality images can be obtained, and even in the near-infrared region, the infrared remote control does not malfunction due to near-infrared.

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Abstract

L'invention concerne un filtre optique ayant une excellente résistance à la lumière, qui peut bloquer le rayonnement infrarouge et/ou la lumière de néon ou un rayonnement similaire qui devient un obstacle aux propriétés d'images ou aux propriétés similaires, qui peut améliorer les propriétés d'une image d'un affichage, et dont les propriétés peuvent être conservées sur une longue période. En particulier, l'invention concerne un filtre optique caractérisé par le fait qu'il comprend un conjugué ionique d'un anion de disulfonylimide cyclique avec un cation de colorant.
PCT/JP2007/068276 2006-09-28 2007-09-20 Filtre optique WO2008038569A1 (fr)

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JP2008536346A JP5216997B2 (ja) 2006-09-28 2007-09-20 光学フィルター

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JP2006264791 2006-09-28
JP2006-264791 2006-09-28

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JP2011132492A (ja) * 2009-11-30 2011-07-07 Dainippon Printing Co Ltd トリアリールメタン系染料
JP2011225761A (ja) * 2010-04-22 2011-11-10 Shin-Etsu Chemical Co Ltd 近赤外光吸収膜形成材料及び積層膜
WO2011162217A1 (fr) * 2010-06-23 2011-12-29 三菱化学株式会社 Composition de résine colorée, filtre couleur, dispositif d'affichage à cristaux liquides et affichage el organique
JP2012036301A (ja) * 2010-08-06 2012-02-23 Dainippon Printing Co Ltd トリアリールメタン系染料
US20130244267A1 (en) * 2011-09-12 2013-09-19 Ellen May Sletten Compositions and methods for quadricyclane modification of biomolecules
JP2018142491A (ja) * 2017-02-28 2018-09-13 国立大学法人静岡大学 プロトン伝導性電解質及び燃料電池

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JP2011132492A (ja) * 2009-11-30 2011-07-07 Dainippon Printing Co Ltd トリアリールメタン系染料
JP2011225761A (ja) * 2010-04-22 2011-11-10 Shin-Etsu Chemical Co Ltd 近赤外光吸収膜形成材料及び積層膜
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JP5915526B2 (ja) * 2010-06-23 2016-05-11 三菱化学株式会社 着色樹脂組成物、カラーフィルタ、液晶表示装置及び有機ｅｌディスプレイ
WO2011162217A1 (fr) * 2010-06-23 2011-12-29 三菱化学株式会社 Composition de résine colorée, filtre couleur, dispositif d'affichage à cristaux liquides et affichage el organique
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JP2012036301A (ja) * 2010-08-06 2012-02-23 Dainippon Printing Co Ltd トリアリールメタン系染料
US20130244267A1 (en) * 2011-09-12 2013-09-19 Ellen May Sletten Compositions and methods for quadricyclane modification of biomolecules
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US10301270B2 (en) 2011-09-12 2019-05-28 The Regents Of The University Of California Compositions and methods for quadricyclane modification of biomolecules
JP2018142491A (ja) * 2017-02-28 2018-09-13 国立大学法人静岡大学 プロトン伝導性電解質及び燃料電池

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