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WO2017052279A1 - Composé cyclique contenant de l'azote et film de conversion de couleur comprenant celui-ci - Google Patents

Composé cyclique contenant de l'azote et film de conversion de couleur comprenant celui-ci Download PDF

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Publication number
WO2017052279A1
WO2017052279A1 PCT/KR2016/010679 KR2016010679W WO2017052279A1 WO 2017052279 A1 WO2017052279 A1 WO 2017052279A1 KR 2016010679 W KR2016010679 W KR 2016010679W WO 2017052279 A1 WO2017052279 A1 WO 2017052279A1
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Prior art keywords
group
substituted
unsubstituted
compound
aryl
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English (en)
Korean (ko)
Inventor
오혜미
박세정
신동목
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LG Chem Ltd
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LG Chem Ltd
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Priority claimed from KR1020160097199A external-priority patent/KR102148058B1/ko
Application filed by LG Chem Ltd filed Critical LG Chem Ltd
Priority to CN201680050139.4A priority Critical patent/CN107922440B/zh
Priority to US15/751,435 priority patent/US10988486B2/en
Publication of WO2017052279A1 publication Critical patent/WO2017052279A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F5/00—Compounds containing elements of Groups 3 or 13 of the Periodic Table
    • C07F5/02—Boron compounds
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/20—Filters
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B33/00—Electroluminescent light sources
    • H05B33/12—Light sources with substantially two-dimensional radiating surfaces
    • H05B33/14—Light sources with substantially two-dimensional radiating surfaces characterised by the chemical or physical composition or the arrangement of the electroluminescent material, or by the simultaneous addition of the electroluminescent material in or onto the light source
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B33/00—Electroluminescent light sources
    • H05B33/12—Light sources with substantially two-dimensional radiating surfaces
    • H05B33/20—Light sources with substantially two-dimensional radiating surfaces characterised by the chemical or physical composition or the arrangement of the material in which the electroluminescent material is embedded

Definitions

  • the present specification relates to a nitrogen-containing ring compound, a color conversion film, a backlight unit, and a display device including the same.
  • This application is subject to the Korean Patent Application No. 10-2015-0137059 filed with the Korean Patent Office on September 25, 2015 and the Korean Patent Application No. 10-2016-0097199 filed with the Korean Patent Office on July 29, 2016. Claims interests, the contents of which are incorporated in full.
  • LEDs Conventional light emitting diodes
  • LEDs are obtained by mixing a green phosphor and a red phosphor into a blue light emitting diode or by mixing a yellow phosphor and a blue-green phosphor into a UV light emitting light emitting diode.
  • this method is difficult to control the color and thus poor color rendering. Therefore, color reproduction rate falls.
  • the present specification provides a nitrogen-containing ring compound, a color conversion film, a backlight unit, and a display device including the same.
  • R is a substituted or unsubstituted alkyl group; Or a substituted or unsubstituted aryl group,
  • R ′′ is a substituted or unsubstituted alkyl group; a substituted or unsubstituted cycloalkyl group; a substituted or unsubstituted fluoroalkyl group; or a substituted or unsubstituted aryl group,
  • At least one of R6 to R11 is a steric hindrance imparting group
  • X1 and X2 are the same as or different from each other, and each independently a halogen group; Nitrile group; Substituted or unsubstituted alkoxy group; Substituted or unsubstituted aryloxy group; Or a substituted or unsubstituted aryl group, or X1 and X2 combine with each other to form a substituted or unsubstituted ring.
  • the resin matrix provides a color conversion film comprising a compound represented by the formula (1) dispersed in the resin matrix.
  • a backlight unit including the color conversion film is provided.
  • a display device including the backlight unit is provided.
  • the compound according to an exemplary embodiment of the present specification is not only a high fluorescence efficiency, but also a material having excellent light resistance. Therefore, by using the compound described herein as a fluorescent material of the color conversion film, it is possible to provide a color conversion film excellent in brightness and color reproducibility and excellent in light resistance.
  • FIG. 1 is a schematic diagram applying a color conversion film according to an exemplary embodiment of the present disclosure to a backlight.
  • the compound according to one embodiment of the present specification may be used as an organic fluorescent material.
  • the light resistance is greatly improved as the groups which impart steric hindrance to positions 1, 3, 5, 7 of the core structure, that is, R6, R8, R9 or R11, are positioned.
  • substituted means that a hydrogen atom bonded to a carbon atom of the compound is replaced with another substituent, and the position to be substituted is not limited to a position where the hydrogen atom is substituted, that is, a position where a substituent can be substituted, if two or more substituted , Two or more substituents may be the same or different from each other.
  • substituted or unsubstituted is deuterium; Halogen group; Nitrile group; Nitro group; Imide group; Amide group; Carbonyl group; Carboxy group (-COOH); Ether group; Ester group; Hydroxyl group; Substituted or unsubstituted alkyl group; A substituted or unsubstituted cycloalkyl group; Substituted or unsubstituted alkoxy group; Substituted or unsubstituted aryloxy group; Substituted or unsubstituted alkylthioxy group; Substituted or unsubstituted arylthioxy group; Substituted or unsubstituted alkyl sulfoxy group; Substituted or unsubstituted aryl sulfoxy group; Substituted or unsubstituted alkenyl group; Substituted or unsubstituted
  • a substituent to which two or more substituents are linked may be a biphenyl group. That is, the biphenyl group may be an aryl group or may be interpreted as a substituent to which two phenyl groups are linked.
  • the halogen group may be fluorine, chlorine, bromine or iodine.
  • carbon number of an imide group is not specifically limited, It is preferable that it is C1-C30. Specifically, it may be a compound having a structure as follows, but is not limited thereto.
  • the amide group may be substituted with nitrogen of the amide group is hydrogen, a linear, branched or cyclic alkyl group having 1 to 30 carbon atoms or an aryl group having 6 to 30 carbon atoms. Specifically, it may be a compound of the following structural formula, but is not limited thereto.
  • carbon number of a carbonyl group in this specification is not specifically limited, It is preferable that it is C1-C30. Specifically, it may be a compound having a structure as follows, but is not limited thereto.
  • the ether group is a linear, branched or cyclic alkyl group having 1 to 25 carbon atoms of oxygen of the ether; Or a monocyclic or polycyclic aryl group having 6 to 30 carbon atoms.
  • the ester group is a linear, branched or cyclic alkyl group having 1 to 25 carbon atoms of oxygen of the ester group; Or a monocyclic or polycyclic aryl group having 6 to 30 carbon atoms. Specifically, it may be a compound of the following structural formula, but is not limited thereto.
  • the alkyl group may be linear or branched chain, carbon number is not particularly limited, but is preferably 1 to 30.
  • Specific examples include methyl, ethyl, propyl, n-propyl, isopropyl, butyl, n-butyl, isobutyl, tert-butyl, sec-butyl, 1-methyl-butyl, 1-ethyl-butyl, pentyl, n-pentyl , Isopentyl, neopentyl, tert-pentyl, hexyl, n-hexyl, 1-methylpentyl, 2-methylpentyl, 4-methyl-2-pentyl, 3,3-dimethylbutyl, 2-ethylbutyl, heptyl, n -Heptyl, 1-methylhexyl, cyclopentylmethyl, cyclohexylmethyl, octyl, n-o
  • the cycloalkyl group is not particularly limited, but preferably has 3 to 30 carbon atoms, specifically, cyclopropyl, cyclobutyl, cyclopentyl, 3-methylcyclopentyl, 2,3-dimethylcyclopentyl, cyclohexyl, 3-methylcyclohexyl, 4-methylcyclohexyl, 2,3-dimethylcyclohexyl, 3,4,5-trimethylcyclohexyl, 4-tert-butylcyclohexyl, cycloheptyl, cyclooctyl, and the like, but are not limited thereto. It is not.
  • the alkoxy group may be linear, branched or cyclic. Although carbon number of an alkoxy group is not specifically limited, It is preferable that it is C1-C30. Specifically, methoxy, ethoxy, n-propoxy, isopropoxy, i-propyloxy, n-butoxy, isobutoxy, tert-butoxy, sec-butoxy, n-pentyloxy, neopentyloxy, Isopentyloxy, n-hexyloxy, 3,3-dimethylbutyloxy, 2-ethylbutyloxy, n-octyloxy, n-nonyloxy, n-decyloxy, benzyloxy, p-methylbenzyloxy and the like It may be, but is not limited thereto.
  • the amine group is -NH 2 ; Alkylamine group; N-arylalkylamine group; Arylamine group; N-aryl heteroaryl amine group; It may be selected from the group consisting of an N-alkylheteroarylamine group and a heteroarylamine group, carbon number is not particularly limited, but is preferably 1 to 30.
  • Specific examples of the amine group include methylamine group, dimethylamine group, ethylamine group, diethylamine group, phenylamine group, naphthylamine group, biphenylamine group, anthracenylamine group, and 9-methyl-anthracenylamine group. , Diphenylamine group, N-phenylnaphthylamine group, ditolylamine group, N-phenyltolylamine group, triphenylamine group and the like, but is not limited thereto.
  • the N-alkylarylamineamine group means an amine group in which an alkyl group and an aryl group are substituted for N of the amine group.
  • the N-arylheteroarylamine group means an amine group in which an aryl group and a heteroaryl group are substituted for N in the amine group.
  • the N-alkylheteroarylamine group means an amine group in which an alkyl group and a heteroarylamine group are substituted for N of the amine group.
  • the alkyl group in the alkylamine group, the N-alkylarylamine group, the alkylthioxy group, the alkyl sulfoxy group, and the N-alkylheteroarylamine group is the same as the example of the alkyl group described above.
  • the alkyl thioxy group includes a methyl thioxy group, an ethyl thioxy group, a tert-butyl thioxy group, a hexyl thioxy group, an octyl thioxy group
  • the alkyl sulfoxy group includes mesyl, ethyl sulfoxy, propyl sulfoxy, and butyl sulfoxy groups. Etc., but is not limited thereto.
  • the alkenyl group may be linear or branched chain, carbon number is not particularly limited, but is preferably 2 to 30.
  • Specific examples include vinyl, 1-propenyl, isopropenyl, 1-butenyl, 2-butenyl, 3-butenyl, 1-pentenyl, 2-pentenyl, 3-pentenyl, 3-methyl-1- Butenyl, 1,3-butadienyl, allyl, 1-phenylvinyl-1-yl, 2-phenylvinyl-1-yl, 2,2-diphenylvinyl-1-yl, 2-phenyl-2- ( Naphthyl-1-yl) vinyl-1-yl, 2,2-bis (diphenyl-1-yl) vinyl-1-yl, stilbenyl group, styrenyl group, and the like, but are not limited thereto.
  • the silyl group includes trimethylsilyl group, triethylsilyl group, t-butyldimethylsilyl group, vinyldimethylsilyl group, propyldimethylsilyl group, triphenylsilyl group, diphenylsilyl group, phenylsilyl group, and the like.
  • the present invention is not limited thereto.
  • the boron group may be -BR 100 R 101 , wherein R 100 and R 101 are the same as or different from each other, and each independently hydrogen; heavy hydrogen; Halogen group; Nitrile group; A substituted or unsubstituted monocyclic or polycyclic cycloalkyl group having 3 to 30 carbon atoms; A substituted or unsubstituted linear or branched alkyl group having 1 to 30 carbon atoms; Substituted or unsubstituted monocyclic or polycyclic aryl group having 6 to 30 carbon atoms; And it may be selected from the group consisting of a substituted or unsubstituted monocyclic or polycyclic heteroaryl group having 2 to 30 carbon atoms.
  • phosphine oxide groups include, but are not limited to, diphenylphosphine oxide group, dinaphthylphosphine oxide, and the like.
  • the aryl group is not particularly limited, but preferably has 6 to 30 carbon atoms, and the aryl group may be monocyclic or polycyclic.
  • the aryl group is a monocyclic aryl group
  • carbon number is not particularly limited, but is preferably 6 to 30 carbon atoms.
  • the monocyclic aryl group may be a phenyl group, a biphenyl group, a terphenyl group, etc., but is not limited thereto.
  • Carbon number is not particularly limited when the aryl group is a polycyclic aryl group. It is preferable that it is C10-30.
  • the polycyclic aryl group may be naphthyl group, anthracenyl group, phenanthryl group, triphenyl group, pyrenyl group, perrylenyl group, chrysenyl group, fluorenyl group, etc., but is not limited thereto.
  • the fluorenyl group may be substituted, and adjacent substituents may be bonded to each other to form a ring.
  • the aryl group in the aryloxy group, arylthioxy group, aryl sulfoxy group, N-arylalkylamine group, N-arylheteroarylamine group, and arylphosphine group is the same as the examples of the aryl group described above.
  • the aryloxy group may be a phenoxy group, p-tolyloxy group, m-tolyloxy group, 3,5-dimethyl-phenoxy group, 2,4,6-trimethylphenoxy group, p-tert-butylphenoxy group, 3- Biphenyloxy group, 4-biphenyloxy group, 1-naphthyloxy group, 2-naphthyloxy group, 4-methyl-1-naphthyloxy group, 5-methyl-2-naphthyloxy group, 1-anthryloxy group , 2-anthryloxy group, 9-anthryloxy group, 1-phenanthryloxy group, 3-phenanthryloxy group, 9-phenanthryloxy group, and the like.
  • arylthioxy group examples include a phenylthioxy group and 2- The methylphenyl thioxy group, 4-tert- butylphenyl thioxy group, etc. are mentioned,
  • An aryl sulfoxy group includes a benzene sulfoxy group, p-toluene sulfoxy group, etc., but is not limited to this.
  • examples of the arylamine group include a substituted or unsubstituted monoarylamine group, a substituted or unsubstituted diarylamine group, or a substituted or unsubstituted triarylamine group.
  • the aryl group in the arylamine group may be a monocyclic aryl group, may be a polycyclic aryl group.
  • the arylamine group including two or more aryl groups may simultaneously include a monocyclic aryl group, a polycyclic aryl group, or a monocyclic aryl group and a polycyclic aryl group.
  • the aryl group in the arylamine group may be selected from the examples of the aryl group described above.
  • the heteroaryl group includes one or more atoms other than carbon and heteroatoms, and specifically, the heteroatoms may include one or more atoms selected from the group consisting of O, N, Se, and S, and the like. Although carbon number is not particularly limited, it is preferably 2 to 30 carbon atoms, the heteroaryl group may be monocyclic or polycyclic.
  • heterocyclic group examples include thiophene group, furanyl group, pyrrole group, imidazolyl group, thiazolyl group, oxazolyl group, oxadiazolyl group, pyridyl group, bipyridyl group, pyrimidyl group, triazinyl group, tria Zolyl group, acridil group, pyridazinyl group, pyrazinyl group, quinolinyl group, quinazolinyl group, quinoxalinyl group, phthalazinyl group, pyrido pyrimidyl group, pyrido pyrazinyl group, pyrazino pyrazinyl group , Isoquinolinyl group, indolyl group, carbazolyl group, benzoxazolyl group, benzimidazolyl group, benzothiazolyl group, benzocarbazolyl group, benzothiophene
  • examples of the heteroarylamine group include a substituted or unsubstituted monoheteroarylamine group, a substituted or unsubstituted diheteroarylamine group, or a substituted or unsubstituted triheteroarylamine group.
  • the heteroarylamine group including two or more heteroaryl groups may simultaneously include a monocyclic heteroaryl group, a polycyclic heteroaryl group, or a monocyclic heteroaryl group and a polycyclic heteroaryl group.
  • the heteroaryl group in the heteroarylamine group may be selected from the examples of the heteroaryl group described above.
  • heteroaryl group in the N-arylheteroarylamine group and the N-alkylheteroarylamine group are the same as the examples of the heteroaryl group described above.
  • the heterocyclic group may be monocyclic or polycyclic, may be aromatic, aliphatic or a condensed ring of aromatic and aliphatic, and may be selected from examples of the heteroaryl group.
  • the aliphatic heterocyclic group may be monocyclic or polycyclic, and specifically, may be tetrahydropyran group, but is not limited thereto.
  • R7 and R10 are the same as or different from each other, and each independently, a nitrile group; Or —C ( ⁇ O) OR ′′, R ′′ is an alkyl group having 1 to 20 carbon atoms; A cycloalkyl group having 3 to 20 carbon atoms; Fluoroalkyl groups having 1 to 20 carbon atoms; Or an aryl group having 6 to 20 carbon atoms.
  • R1 to R5 are the same as or different from each other, and each hydrogen; -OCH 3 or -CO 2 CH 3 .
  • X1 and X2 are the same as or different from each other, and are each a halogen group.
  • X1 and X2 are the same as or different from each other, and each is a fluorine group.
  • the combination of R1 to R6, R8, R9, R11, X1 and X2 may be selected from 1A to 41A of Table 1, the combination of R7 and R10 is 1B to Table 2 below. May be selected from 15B.
  • the resin matrix provides a color conversion film comprising a compound represented by the formula (1) dispersed in the resin matrix.
  • the content of the compound represented by Chemical Formula 1 in the color conversion film may be in the range of 0.001 to 10% by weight.
  • the color conversion film may include one type of the compound represented by Formula 1, or may include two or more types.
  • the color conversion film may further include an additional fluorescent material in addition to the compound represented by Chemical Formula 1.
  • the color conversion film preferably contains both a green light emitting phosphor and a red light emitting phosphor.
  • the color conversion film may include only a red light emitting fluorescent material.
  • the present invention is not limited thereto, and in the case of using a light source that emits blue light, when laminating a separate film including a green light emitting fluorescent substance, the color conversion film may include only a red light emitting compound.
  • the color conversion film may include only a green light emitting compound.
  • the color conversion film is a resin matrix; And an additional layer including a compound dispersed in the resin matrix and emitting a light having a wavelength different from that of the compound represented by Chemical Formula 1.
  • the compound that emits light of a different wavelength from the compound represented by Formula 1 may also be a compound represented by Formula 1, or may be another known fluorescent substance.
  • the material of the said resin matrix is a thermoplastic polymer or a thermosetting polymer.
  • the material of the resin matrix is poly (meth) acrylic, polycarbonate (PC), polystyrene (PS), polyarylene (PAR), polyurethane (TPU) such as polymethyl methacrylate (PMMA) ), Styrene-acrylonitrile (SAN), alphamethylstyreneacrylonitrile (AMSAN), phenylmaleicimide styreneacrylonitrile (PMISAN), polyvinylidene fluoride (PVDF), modified poly Vinylidene fluoride-based (modified-PVDF) and the like can be used.
  • PC polycarbonate
  • PS polystyrene
  • PAR polyarylene
  • TPU polyurethane
  • PMMA polymethyl methacrylate
  • SAN Styrene-acrylonitrile
  • AMSAN alphamethylstyreneacrylonitrile
  • PMISAN phenylmaleicimid
  • the color conversion film according to the above-described embodiment further includes light diffusing particles.
  • a resin matrix and particles having high refractive index may be used, such as TiO 2 , silica, borosilicate, alumina, sapphire, air or other gas, air- or gas-filled hollow beads or particles (eg, , Air / gas-filled glass or polymer); Polymer particles including polystyrene, polycarbonate, polymethylmethacrylate, acrylic, methyl methacrylate, styrene, melamine resin, formaldehyde resin, or melamine and formaldehyde resin, or any suitable combination thereof may be used. .
  • the particle diameter of the light diffusing particles may be in the range of 0.1 micrometers to 5 micrometers, such as in the range of 0.3 micrometers to 1 micrometer.
  • the content of the light diffusing particles may be determined as needed, and may be, for example, in the range of about 1 to 30 parts by weight based on 100 parts by weight of the resin matrix.
  • the color conversion film according to the above-described embodiment may have a thickness of 2 micrometers to 200 micrometers.
  • the color conversion film may exhibit high luminance even at a thin thickness of 2 micrometers to 20 micrometers. This is because the content of the fluorescent substance molecules contained on the unit volume is higher than that of the quantum dots.
  • the color conversion film according to the above-described embodiment may be provided with a substrate on one surface.
  • This substrate can function as a support in the production of the color conversion film. It does not specifically limit as a kind of base material, As long as it is transparent and can function as the said support body, it is not limited to the material and thickness. Transparent here means that visible light transmittance is 70% or more.
  • a PET film may be used as the substrate.
  • the above-described color conversion film may be prepared by coating and drying a resin solution in which the compound represented by Chemical Formula 1 is dissolved on a substrate and drying the film, or by extruding the compound represented by Chemical Formula 1 together with the resin to form a film.
  • the compound represented by the formula (1) Since the compound represented by the formula (1) is dissolved in the resin solution, the compound represented by the formula (1) is uniformly distributed in the solution. This is different from the manufacturing process of the quantum dot film that requires a separate dispersion process.
  • the resin solution in which the compound represented by Chemical Formula 1 is dissolved is not particularly limited as long as the compound represented by Chemical Formula 1 is dissolved in a solution.
  • the resin solution in which the compound represented by Chemical Formula 1 is dissolved may prepare a first solution by dissolving the compound represented by Chemical Formula 1 in a solvent, prepare a second solution by dissolving the resin in a solvent, and prepare the first solution. It may be prepared by a method of mixing the solution and the second solution. When mixing the first solution and the second solution, it is preferable to mix homogeneously.
  • the present invention is not limited thereto, but the method of dissolving the compound represented by the formula (1) and the resin at the same time is dissolved in the solvent, the method of dissolving the compound represented by the formula (1) in the solvent, followed by the addition of the resin to dissolve; A method of adding and dissolving a compound represented by the above may be used.
  • the above-mentioned resin matrix material a monomer curable with this resin matrix resin, or a mixture thereof can be used.
  • the monomer curable with the resin matrix resin includes a (meth) acrylic monomer, which may be formed of a resin matrix material by UV curing.
  • an initiator necessary for curing may be further added as necessary.
  • the solvent is not particularly limited and is not particularly limited as long as it can be removed by drying without adversely affecting the coating process.
  • Non-limiting examples of the solvent include toluene, xylene, acetone, chloroform, various alcohol solvents, MEK (methyl ethyl ketone), MIBK (methyl isobutyl ketone), EA (ethyl acetate), butyl acetate, DMF ( Dimethylformamide), DMAc (dimethylacetamide), DMSO (dimethylsulfoxide), NMP (N-methyl-pyrrolidone) and the like can be used, and one or two or more thereof can be used in combination.
  • the solvent contained in each of these solutions may be the same and may differ. Even when different kinds of solvents are used in the first solution and the second solution, it is preferable that these solvents have compatibility so that they can be mixed with each other.
  • the coating of the resin solution in which the compound represented by Chemical Formula 1 is dissolved on the substrate may use a roll-to-roll process.
  • the resin solution in which the compound represented by Chemical Formula 1 is dissolved may be coated on one surface of the substrate, dried, and then wound on the roll.
  • it is preferable to determine the viscosity of the said resin solution to the range in which the said process is possible, for example, it can determine within the range of 200-2,000 cps.
  • a die coater may be used, and various bar coating methods such as a comma coater and a reverse comma coater may be used.
  • the drying process can be carried out under the conditions necessary to remove the solvent.
  • the solvent is dried in a condition in which the solvent is sufficiently blown in an oven located adjacent to the coater, and the color conversion material includes a fluorescent material including a compound represented by Formula 1 of a desired thickness and concentration on the substrate.
  • a film can be obtained.
  • curing such as UV curing may be performed before or simultaneously with the drying.
  • the compound represented by Formula 1 When extruding the compound represented by Formula 1 together with the resin to form a film, extrusion methods known in the art may be used.
  • the compound represented by Formula 1 may be polycarbonate-based (PC) or poly (meth).
  • a color conversion film can be manufactured by extruding together resins, such as an acryl type and a styrene- acrylonitrile type (SAN).
  • the color conversion film may be provided with a protective film or a barrier film on at least one surface.
  • a protective film and the barrier film those known in the art may be used.
  • a backlight unit including the color conversion film described above is provided.
  • the backlight unit may have a backlight unit configuration known in the art except for including the color conversion film.
  • 1 illustrates a schematic diagram of a backlight unit structure according to an example.
  • the backlight unit according to FIG. 1 includes a side chain type light source 101, a reflection plate 102 surrounding the light source, a light guide plate 103 that emits light directly from the light source, or guides light reflected from the reflection plate, and is provided on one surface of the light guide plate.
  • a color conversion film 105 provided on a surface opposite to a surface of the light guide plate that faces the reflective layer.
  • a portion shown in gray in FIG. 1 is the light dispersion pattern 106 of the light guide plate.
  • the light introduced into the light guide plate has non-uniform light distribution due to the repetition of optical processes such as reflection, total reflection, refraction, and transmission.
  • a two-dimensional light dispersion pattern may be used to guide the light to uniform brightness.
  • the scope of the present invention is not limited by FIG. 1, and the light source may be a direct chain type as well as a side chain type, and a reflecting plate or a reflective layer may be omitted or replaced with another configuration as necessary, and may be additionally added as necessary.
  • the film for example, a light diffusing film, a light collecting film, a brightness enhancement film and the like may be further provided.
  • a display device including the backlight unit is provided.
  • the display device including the backlight unit is not particularly limited, and may be included in a TV, a computer monitor, a notebook computer, a mobile phone, and the like.
  • [Compound A] it was used for producing a green light emitting color conversion film. Specifically, [Compound A], which is a green luminescent material, is added at a ratio of 0.2% by weight to 100% by weight of the SAN polymer, and 3% by weight of the diffuser particles are added to the PET film using a 30% solids solution in a normal butyl acetate solvent. The coating was performed on the green luminescent color conversion film was prepared. With the green conversion film prepared, a backlight unit of 160 mm ⁇ 90 mm was manufactured using a blue LED light source. Optical properties were confirmed in the manufactured backlight unit, and the manufactured backlight unit was continuously driven in a chamber at 60 ° C. to evaluate the light resistance of the green light emitting film.
  • a green light emitting color conversion film using [Compound 2]. Specifically, 0.2 wt% of [Compound 2], a green light emitting material, is added to 100 wt% of the SAN polymer, and 3 wt% of the diffuser particles are added to the PET film using a 30% solids solution in a normal butyl acetate solvent. Coating was carried out to produce a green light emitting color conversion film. With the green conversion film prepared, a backlight unit of 160 mm ⁇ 90 mm was manufactured using a blue LED light source. Optical properties were confirmed in the manufactured backlight unit, and the manufactured backlight unit was continuously driven in a chamber at 60 ° C. to evaluate the light resistance of the green light emitting film.
  • Example 1 Example 2 Max intensity Blue 0.198 0.10 0.12 Green 0.160 0.07 0.05 Max wavelength Blue 449 450 450 Green 536 540 535 Green Width (nm) 44 42 43

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Abstract

La présente invention concerne un composé cyclique contenant de l'azote, un film de conversion de couleur comprenant ce composé, une unité de rétroéclairage et un dispositif d'affichage.
PCT/KR2016/010679 2015-09-25 2016-09-23 Composé cyclique contenant de l'azote et film de conversion de couleur comprenant celui-ci Ceased WO2017052279A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201680050139.4A CN107922440B (zh) 2015-09-25 2016-09-23 含氮环状化合物和包含其的色彩转换膜
US15/751,435 US10988486B2 (en) 2015-09-25 2016-09-23 Nitrogen-containing cyclic compound and color conversion film comprising same

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JP2019524717A (ja) * 2016-07-29 2019-09-05 エルジー・ケム・リミテッド 含窒素環化合物、これを含む色変換フィルム、並びにこれを含むバックライトユニットおよびディスプレイ装置
CN110475780A (zh) * 2017-04-13 2019-11-19 株式会社Lg化学 含氮环状化合物和包含其的变色膜
JP2020531547A (ja) * 2018-04-30 2020-11-05 エルジー・ケム・リミテッド 化合物、これを含む色変換フィルム、バックライトユニットおよびディスプレイ装置

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JP2019524717A (ja) * 2016-07-29 2019-09-05 エルジー・ケム・リミテッド 含窒素環化合物、これを含む色変換フィルム、並びにこれを含むバックライトユニットおよびディスプレイ装置
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CN110475780B (zh) * 2017-04-13 2022-08-23 株式会社Lg化学 含氮环状化合物和包含其的变色膜
WO2019132479A1 (fr) * 2017-12-27 2019-07-04 주식회사 엘지화학 Composé contenant de l'azote, film de conversion de couleur le comprenant, unité de rétroéclairage et dispositif d'affichage le comprenant
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JP2020526531A (ja) * 2017-12-27 2020-08-31 エルジー・ケム・リミテッド 含窒素化合物、これを含む色変換フィルム、およびこれを含むバックライトユニットおよびディスプレイ装置
KR102157933B1 (ko) * 2017-12-27 2020-09-18 주식회사 엘지화학 함질소 고리 화합물 및 이를 포함하는 색변환 필름
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JP2020531547A (ja) * 2018-04-30 2020-11-05 エルジー・ケム・リミテッド 化合物、これを含む色変換フィルム、バックライトユニットおよびディスプレイ装置

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