Wavelength selective absorption filter and display device

Abstract

The present invention provides a wavelength selective absorption filter and a display device including the same. The wavelength selective absorption filter includes a resin, a pigment, and a compound having at least any polar group selected from carboxylate bonds, carboxylic acid amide bonds, sulfonic acid amide bonds, carbamate bonds, and sulfonyl bonds and having a molecular weight of 1000 or less. The pigment includes at least one of a dye A having a main absorption wavelength band at a wavelength of 390 to 440 nm and a dye D having a main absorption wavelength band at a wavelength of 680 to 780 nm. When the dye A is included, the wavelength A of 20% value of the absorbance maximum value displayed relative to the main absorption wavelength is less than 455 nm, and when the dye D is included, the wavelength D of 20% value of the absorbance maximum value displayed relative to the main absorption wavelength is greater than 640 nm.

Description

Technical Field

[0001] The invention relates to a wavelength selective absorption filter and a display device. Background Art

[0002] With the enlargement of displays (display devices) or the popularity of tablet computers (Personal Computers) and smart phones, the environment in which displays are used has become more diverse, and it is becoming increasingly important to improve the visual recognition in bright places such as directly under sunlight or bright indoor lighting. Usually, the display screen of the display is given an anti-reflection function to make it easy for the observer to visually recognize the image. This function is achieved by an anti-reflection film or an anti-glare film. As a general anti-reflection film, an AR (Anti Reflection) film or LR (Low Reflection) film that reduces reflection by the interference effect of light reflected on the surface of the substrate and light reflected on the surface of the coated film can be cited. In addition, as a general anti-glare film, an AG (Anti Glare) film including an anti-glare layer can be cited, wherein the anti-glare layer is coated with a film having a fine concave-convex pattern on the surface of the substrate, and the scattering effect of light is used to prevent the reflection glare of the image.

[0003] However, part of the light incident on the display passes through the anti-reflection film or anti-glare film on the surface and is reflected on the surface of the electrode or wiring or the glass surface of the unit. This is called internal reflection. As the display becomes higher definition, the proportion of the area of ​​the metal part such as the electrode or wiring in the area of ​​the whole panel (the area of ​​the metal part such as the electrode or wiring / the area of ​​the whole panel) becomes higher, so preventing the above internal reflection becomes a particularly important factor in ensuring high-quality display performance.

[0004] As a method for preventing internal reflection, for example, there is a known method in which a λ / 4 phase difference plate or a λ / 2 phase difference plate is provided between the polarizer of the polarizing plate and the internal reflection portion to function as a circular polarizing plate, as described in Patent Document 1. However, this method has the following problems: when the transmittance of display light is reduced to about 40% and when scattering particles are present between the circular polarizing plate and the internal reflection portion, depolarization occurs and a sufficient anti-reflection effect cannot be obtained.

[0005] Therefore, there is a demand for the development of an anti-reflection mechanism that does not use a λ / 4 phase difference plate or a λ / 2 phase difference plate.

[0006] For example, Patent Document 2 discloses a liquid crystal display device using the following method, in which reflection of external light is prevented by adding at least one of a first absorption material having an absorbance peak with a half-peak width of less than 50 nm and a maximum absorbance in a wavelength band of 470 to 510 nm and a second absorption material having a maximum absorbance in a wavelength band of 560 to 610 nm to a polarizing plate on the visual observer side.

[0007] Furthermore, Patent Document 3 proposes that, for image display devices, particularly self-luminous image display devices such as ion displays, filters having maximum absorption in the wavelength range of 380nm to 420nm, the wavelength range of 480nm to 520nm, and the wavelength range of 585nm to 620nm are used in order to suppress the reduction in contrast in bright places and improve color reproducibility.

[0008] On the other hand, optical films with a blue light cutoff function are also known. For example, Patent Document 4 describes an optical film that contains an absorbing material having a maximum absorption in the wavelength range of 380 nm to 420 nm, has selective absorption near 420 nm, and the ratio of the absorbance at 450 nm to the absorbance at a wavelength of 420 nm is within a specific range. In addition, Patent Document 5 describes a cured film containing a pigment having a specific chemical structure, and describes that the cured film has excellent blue light cutoff properties.

[0009] Previous technical literature

[0010] Patent Literature

[0011] Patent Document 1: International Publication No. 2012 / 043375

[0012] Patent Document 2: Japanese Patent Application Publication No. 2015-36734

[0013] Patent Document 3: Japanese Patent Application Publication No. 2008-203436

[0014] Patent Document 4: Japanese Patent Application Publication No. 2017-142412

[0015] Patent Document 5: International Publication No. 2014 / 208749 Summary of the invention

[0016] Technical issues to be solved by the invention

[0017] In recent years, the development of self-luminous displays (hereinafter referred to as "self-luminous display devices") using OLED (Organic Light Emitting Diodes) elements, micro LED (Light Emitting Diodes) elements or small LED elements is underway, and there is a need for an anti-reflection mechanism different from the λ / 4 phase difference plate or the λ / 2 phase difference plate that can be applied to self-luminous display devices having these LEDs as light-emitting elements.

[0018] As a result of repeated research conducted by the present inventors, it is known that the technology described in the above-mentioned Patent Document 2 is a promising method in displays such as liquid crystal display devices that must use polarizing plates, but when applied to the above-mentioned self-luminous display device, since there is no polarizing plate, there is a problem that the absorbing material cannot be covered with a polarizer and the absorbing material is easily degraded by light, that is, improvement is required from the viewpoint of light resistance. In addition, it is known that the method described in the above-mentioned Patent Document 3 also has a problem that the absorbing material is easily degraded by light, and improvement is required from the viewpoint of light resistance.

[0019] Furthermore, the optical films or cured films described in Patent Document 4 or Patent Document 5 are also insufficient in light resistance, and improvement is required.

[0020] An object of the present invention is to provide a wavelength selective absorption filter showing excellent light resistance and a display device including the same.

[0021] Means for solving technical problems

[0022] In view of the above-mentioned problems, the inventors of the present invention have conducted in-depth studies and have found that in a wavelength selective absorption filter, an absorbing material (dye) having a maximum absorption in the wavelength range of 390 to 440 nm or an absorbing material (dye) having a maximum absorption in the wavelength range of 680 to 780 nm can sufficiently suppress the decrease in absorbance by containing a compound having a specific polar group, which is effective in improving light resistance.

[0023] That is, the above-mentioned problems were solved by the following means.

[0024] <1>

[0025] A wavelength selective absorption filter comprises a resin, a pigment, and a compound having at least one polar group selected from the group consisting of a carboxylate bond, a carboxylic acid amide bond, a sulfonic acid amide bond, a carbamate bond, and a sulfonyl bond and having a molecular weight of 1000 or less.

[0026] The pigment includes at least one of the dye A and the dye D shown below,

[0027] When the dye A is included, the wavelength on the longer wavelength side of the two wavelengths that provide 20% absorbance with respect to the absorbance maximum value at wavelengths of 390 to 440 nm is 455 nm or less.

[0028] When the dye D is contained, the wavelength on the shorter wavelength side of two wavelengths that provide 20% absorbance with respect to the absorbance maximum value at wavelengths of 680 to 780 nm is 640 nm or longer.

[0029] Dye A: A pigment with a main absorption wavelength band at 390 to 440 nm

[0030] Dye D: A pigment with a main absorption wavelength band at 680 to 780 nm

[0031] <2>

[0032] according to <1> The wavelength selective absorption filter, wherein:

[0033] The pigment includes both the dye A and the dye D.

[0034] <3>

[0035] according to <1> or <2> The wavelength selective absorption filter, wherein:

[0036] The dye A is a coloring matter represented by the following general formula (A1).

[0037] [Chemical formula 1]

[0038]

[0039] In the above formula, R 1 and R 2 Each independently represents an alkyl group or an aryl group, R 3 ~R 6 Each independently represents a hydrogen atom or a substituent, R 5 With R 6 They may be bonded to each other to form a 6-membered ring.

[0040] <4>

[0041] according to <1> to <3> The wavelength selective absorption filter as described in any one of the preceding claims, wherein:

[0042] The dye D is a squarylium dye represented by the following general formula (1).

[0043] [Chemical formula 2]

[0044]

[0045] In the above formula, A and B each independently represent an aryl group which may have a substituent, a heterocyclic group which may have a substituent, or -CH=G. G represents a heterocyclic group which may have a substituent.

[0046] <5>

[0047] according to <1> to <4> The wavelength selective absorption filter as described in any one of the preceding claims, wherein:

[0048] The compound having a polar group is a compound having a carboxylate bond.

[0049] <6>

[0050] according to <1> to <4> The wavelength selective absorption filter as described in any one of the preceding claims, wherein:

[0051] The compound having a polar group is a compound having a carboxylic acid amide bond.

[0052] <7>

[0053] according to <1> to <6> The wavelength selective absorption filter as described in any one of the preceding claims, wherein:

[0054] The above-mentioned resin includes a polystyrene resin.

[0055] <8>

[0056] according to <1> to <6> The wavelength selective absorption filter as described in any one of the preceding claims, wherein:

[0057] The above-mentioned resin includes a cyclic polyolefin resin.

[0058] <9>

[0059] A display device comprising <1> to <8> The wavelength selective absorption filter as described above.

[0060] <10>

[0061] according to <9> The display device, wherein

[0062] The above-mentioned display device is a self-luminous display device.

[0063] In the present invention, when there are multiple substituents or linking groups (hereinafter referred to as substituents) represented by specific symbols or formulas or when multiple substituents are specified at the same time, each substituent may be the same or different from each other unless otherwise specified. The same is true for the number of substituents. Furthermore, when multiple substituents are close (especially when adjacent), they may be linked to each other to form a ring unless otherwise specified. Furthermore, rings such as alicyclic rings, aromatic rings, and heterocyclic rings may be further fused to form condensed rings unless otherwise specified.

[0064] In the present invention, when the number of carbon atoms of a group is specified, unless otherwise specified in the present invention or this specification, the number of carbon atoms refers to the number of carbon atoms of the entire group. That is, when the group further has a substituent, it refers to the number of carbon atoms of the entire group including the substituent.

[0065] In the present invention, unless otherwise specified, the components (dye, resin, association inhibitor and other components, etc.) constituting the wavelength selective absorption filter may contain one kind or two or more kinds of components in the wavelength selective absorption filter. Similarly, unless otherwise specified, the components (crystalline resin, etc.) constituting the gas barrier layer may contain one kind or two or more kinds of components in the gas barrier layer.

[0066] In the present invention, unless otherwise specified, when a double bond exists in a molecule, it may be either E-type or Z-type, and may be a mixture thereof.

[0067] In the present invention, the expression of a compound (including a complex) is used to include, in addition to the compound itself, its salt and its ion. Furthermore, it refers to a substance obtained by changing a part of the structure within the scope of not damaging the effect of the present invention. Moreover, with respect to a compound not indicating substitution or unsubstituted, it means that it may have any substituent within the scope of not damaging the effect of the present invention. This is also the same for substituents and linking groups.

[0068] Furthermore, in the present invention, a numerical range expressed using "to" means a range including the numerical values ​​described before and after "to" as the lower limit and the upper limit.

[0069] In the present invention, the composition includes not only a mixture in which the concentration of the components is constant (each component is uniformly dispersed) but also a mixture in which the concentration of the components varies within a range that does not impair the intended function.

[0070] In the present invention, having a main absorption wavelength band at wavelengths XX to YY nm means that the wavelength showing maximum absorption (ie, maximum absorption wavelength) exists in the wavelength range XX to YY nm.

[0071] Therefore, if the maximum absorption wavelength is within the above wavelength range, the entire absorption band including the wavelength may be within the above wavelength range or may extend outside the above wavelength range. Furthermore, in the case where there are multiple maximum absorption wavelengths, it is sufficient as long as the maximum absorption wavelength showing the maximum absorbance exists within the above wavelength range. That is, the maximum absorption wavelength other than the maximum absorption wavelength showing the maximum absorbance may exist within or outside the above wavelength range XX to YYnm.

[0072] In the present invention, the main absorption wavelength band of the dye refers to the main absorption wavelength band of the dye measured in the state of the wavelength selective absorption filter. Specifically, in the embodiments described below, the measurement is performed in the state of the wavelength selective absorption filter under the conditions described in the absorbance maximum value and 20% value wavelength of the wavelength selective absorption filter.

[0073] Furthermore, in the present invention, the absorbance maximum value at the wavelength XX to YY nm refers to the absorbance at the maximum absorption wavelength of the wavelength XX to YY nm, and is also referred to as the absorption maximum value.

[0074] Furthermore, the two wavelengths that impart 20% absorbance to the absorbance maximum at wavelengths XX to YYnm refer to wavelengths that show absorbance at 20% intensity of the absorbance maximum located on both sides (short wavelength side and long wavelength side) of the maximum absorption wavelength showing the absorbance maximum in the absorption peak having the absorbance maximum at wavelengths XX to YYnm as the maximum absorbance. In addition, the wavelength located on the long wavelength side of the maximum absorption wavelength showing the above-mentioned absorbance maximum refers to the wavelength of the shortest wavelength that is located on the long wavelength side of the above-mentioned maximum absorption wavelength and shows absorbance at 20% intensity of the above-mentioned absorbance maximum. Similarly, the wavelength located on the short wavelength side of the maximum absorption wavelength showing the above-mentioned absorbance maximum refers to the wavelength of the longest wavelength that is located on the short wavelength side of the above-mentioned maximum absorption wavelength and shows absorbance at 20% intensity of the above-mentioned absorbance maximum.

[0075] In the present invention, the maximum absorbance value of the dye and the two wavelengths that give 20% absorbance with respect to the maximum absorbance value are values ​​measured in the state of the wavelength selective absorption filter. Specifically, in the examples described later, the measurement is performed in the state of the wavelength selective absorption filter under the conditions described in the item of the maximum absorbance value and the 20% value wavelength of the wavelength selective absorption filter.

[0076] Effects of the Invention

[0077] The wavelength selective absorption filter of the present invention exhibits excellent light resistance.

[0078] Furthermore, the display device of the present invention includes the wavelength selective absorption filter having excellent light resistance. BRIEF DESCRIPTION OF THE DRAWINGS

[0079] Figure 1 This is a schematic cross-sectional view showing an example of a laminate including the wavelength selective absorption filter of the present invention. DETAILED DESCRIPTION

[0080] [Wavelength selective absorption filter]

[0081] The wavelength selective absorption filter of the present invention (hereinafter also referred to as the wavelength selective absorption layer) contains a resin, a pigment, and a compound (association inhibitor) having at least one polar group selected from carboxylate bond, carboxylic acid amide bond, sulfonic acid amide bond, carbamate bond and sulfonyl bond (in the present invention, "group" includes the meaning of "bond") and a molecular weight of 1000 or less, wherein the pigment contains at least one of the following dyes A and D having main absorption wavelength bands in different wavelength regions.

[0082] Dye A: A dye with a main absorption wavelength band at 390 to 440 nm

[0083] Dye D: Dye with main absorption wavelength band at 680-780nm

[0084] The wavelength selective absorption filter of the present invention may further contain at least one of the dyes B and C described below.

[0085] Dye B: A dye with a main absorption wavelength band at 480 to 520 nm

[0086] Dye C: Dye with main absorption wavelength band at 580-620nm

[0087] In the wavelength selective absorption filter, the “dye” is dispersed (preferably dissolved) in the resin, so that the wavelength selective absorption filter becomes a filter showing a specific absorption spectrum derived from the dye.

[0088] It is believed that among the dyes A or D having a main absorption wavelength band in a specific wavelength region, many dyes are prone to molecular association, and the dyes exist in a state of molecular association even in the form of a wavelength selective absorption filter dispersed (preferably dissolved) in a resin. In the present invention, by providing a wavelength selective absorption filter that includes, in addition to a resin and a pigment including at least one of the dyes A and D, a compound (association inhibitor) having at least one polar group selected from a carboxylate bond, a carboxylic acid amide bond, a sulfonic acid amide bond, a carbamate bond, and a sulfonyl bond and having a molecular weight of 1000 or less, the compound having the specific polar group can inhibit or prevent the association of the dyes, and can make the absorption waveform derived from the dye A or the dye D sharp. The wavelength selective absorption filter of the present invention is a wavelength selective absorption filter that contains a pigment including at least one of dye A and dye D and the above-mentioned association inhibitor, and is adjusted so that the wavelength on the long wavelength side showing an intensity of 20% of the absorbance of dye A at the maximum absorption wavelength is 455 nm or less when dye A is included, and the wavelength on the short wavelength side showing an intensity of 20% of the absorbance of dye D at the maximum absorption wavelength is 640 nm or more when dye D is included. As described above, by inhibiting the association of dye A or dye D, it is believed that the energy level of the excited state and the ground state of the dye changes, and it is possible to quickly return from the excited state to the ground state, and as a result, the light resistance of the dye is improved.

[0089] As described above, the wavelength selective absorption filter of the present invention has excellent light resistance, and therefore can exhibit excellent light resistance even when applied to a display device. Furthermore, as described in Patent Document 2 or Patent Document 3, by applying a wavelength selective absorption filter in which the contained dye is adjusted to a display device, it is possible to exhibit excellent light resistance, and it is possible to achieve both suppression of external light reflection and suppression of brightness reduction, and it is also possible to sufficiently suppress the influence on the color tone of the displayed image.

[0090] <Pigment (Dye)>

[0091] The wavelength selective absorption filter of the present invention is a filter (layer) containing at least one of the dye A and the dye D described above.

[0092] In addition, when the wavelength selective absorption filter of the present invention contains the dye A, the dye A contained in the wavelength selective absorption filter of the present invention may be one type or two or more types. Furthermore, when the wavelength selective absorption filter of the present invention contains the dye D, the dye D contained in the wavelength selective absorption filter of the present invention may be one type or two or more types. As for the dye B or dye C that may be contained in the wavelength selective absorption filter of the present invention, similarly to the dye A and the dye D, they may be one type or two or more types, respectively, independently.

[0093] The wavelength selective absorption filter of the present invention may further contain dyes other than the above-mentioned dyes A to D.

[0094] Regarding the form of the wavelength selective absorption filter of the present invention, as long as the dye in the wavelength selective absorption filter can be sharpened by the association described later and display an absorption spectrum. It is preferred that both the suppression of external light reflection and the suppression of brightness reduction can be achieved, and further, it is more preferred that the original hue of the displayed image is not easily affected. As one form of the wavelength selective absorption filter of the present invention, at least one of the dye A or the dye D is dispersed (preferably dissolved) in a resin. The dispersion can be any of random, regular, etc.

[0095] Regarding the dyes A to D, in the wavelength selective absorption filter of the present invention, they have main absorption wavelength bands in wavelength regions other than B (blue 440nm to 470nm), G (green, 520nm to 560nm) and R (red, 620nm to 660nm) used as the light source of the display device or wavelength regions that do not substantially overlap with these wavelength regions, namely, 390 to 440nm, 480 to 520nm, 580 to 620nm and 680 to 780nm. Therefore, by containing at least one of these dyes A and D (and, in addition to at least one of the dyes A and D, at least one of the dyes B and C is contained), the wavelength selective absorption filter of the present invention can suppress the reflection of external light without damaging the color reproduction region of the light emitted from the light emitting element. Among them, from the viewpoint of adjusting the color tone of the reflected light, it is preferable to contain both dyes A and D.

[0096] As described above, when the wavelength selective absorption filter contains dyes A to D, there may be a problem of reduced light resistance due to mixing of the dyes due to chain transfer of free radicals generated when the dyes are decomposed. In view of this problem, the wavelength selective absorption filter of the present invention can show a level of light resistance that exceeds the reduction in light resistance associated with mixing of the dyes by providing a specific gas barrier layer described later.

[0097] Here, when the wavelength selective absorption filter of the present invention includes dye A, the wavelength on the longer wavelength side of two wavelengths that provide 20% absorbance with respect to the absorbance maximum value at wavelengths of 390 to 440 nm is referred to as "20% value wavelength A". Furthermore, when the wavelength selective absorption filter of the present invention includes dye D, the wavelength on the shorter wavelength side of two wavelengths that provide 20% absorbance with respect to the absorbance maximum value at wavelengths of 680 to 780 nm is referred to as "20% value wavelength D".

[0098] When the wavelength selective absorption filter of the present invention includes dye A, the 20% value wavelength A is 455 nm or less, and when the wavelength selective absorption filter of the present invention includes dye D, the 20% value wavelength D is 640 nm or more.

[0099] In the wavelength selective absorption filter of the present invention, from the viewpoint of achieving both prevention of reflection and suppression of brightness reduction, the 20% value wavelength A preferably satisfies the following relationship (I), and the 20% value wavelength D preferably satisfies the following relationship (II).

[0100] Relationship (I) 410nm≤20% value wavelength A≤455nm

[0101] In the above relational expression (I), the upper limit of the 20% value wavelength A is preferably 453 nm or less, more preferably 450 nm or less, and the lower limit is preferably 415 nm or more, more preferably 420 nm or more.

[0102] Relationship (II) 640nm≤20% value wavelength D≤700nm

[0103] In relational expression (II), the upper limit of the 20% value wavelength D is preferably 690 nm or less, more preferably 680 nm or less, and the lower limit is preferably 645 nm or more, more preferably 650 nm or more.

[0104] (Dye A)

[0105] Regarding dye A, there is no particular limitation as long as it has a main absorption wavelength band at a wavelength of 390 to 440 nm in the wavelength selective absorption filter, and various dyes can be used. In the wavelength selective absorption filter, it is preferred to have a main absorption wavelength band at a wavelength of 395 to 430 nm, and more preferably to have a main absorption wavelength band at a wavelength of 400 to 430 nm.

[0106] As the dye A, a dye represented by the following general formula (A1) is preferred from the viewpoint of having a sharp absorption waveform in the main absorption wavelength band.

[0107] [Chemical formula 3]

[0108]

[0109] In the general formula (A1), R 1 and R 2 Each independently represents an alkyl group or an aryl group, R 3 ~R 6 Each independently represents a hydrogen atom or a substituent, R 5 With R 6 They may be bonded to each other to form a 6-membered ring.

[0110] As can be used as R 1 and R 2 The alkyl group may be an unsubstituted alkyl group or a substituted alkyl group having a substituent, may be a linear or branched alkyl group, or may have a cyclic structure.

[0111] Examples of the unsubstituted alkyl group include a methyl group, an ethyl group, an n-propyl group, an isopropyl group, and a cyclohexyl group. The unsubstituted alkyl group preferably has 1 to 12 carbon atoms, and more preferably has 1 to 6 carbon atoms.

[0112] As a substituent which the said substituted alkyl group can adopt, the substituent included in the following substituent group A is mentioned, for example.

[0113] (Substituent Group A)

[0114] Halogen atoms, alkyl groups, cycloalkyl groups, aralkyl groups, alkenyl groups, alkynyl groups, aryl groups, heteroatom-containing cyclic groups, cyano groups, hydroxyl groups, nitro groups, carboxyl groups (which may be in the form of salts), alkoxy groups, aryloxy groups, silyloxy groups, heterocyclic groups, acyloxy groups, carbamoyloxy groups, sulfonyloxy groups, alkoxycarbonyloxy groups, aryloxycarbonyloxy groups, amino groups (including -NR in addition to -NH2) a 2 represents a substituted amino group. a Each independently represents a hydrogen atom, an alkyl group, an aryl group or a heteroaryl group. a is an alkyl group, an aryl group or a heteroaryl group. ), an acylamino group, an aminocarbonylamino group, an alkylcarbonylamino group, an alkoxycarbonylamino group, an aryloxycarbonylamino group, an aminosulfonylamino group, an alkylsulfonylamino group, an arylsulfonylamino group, a sulfonamide group, a mercapto group, an alkylthio group, an arylthio group, a heterocyclic thio group, an aminosulfonyl group, a sulfo group (which may be in the form of a salt), an alkylsulfinyl group, an arylsulfinyl group, an alkylsulfonyl group, an arylsulfonyl group, an acyl group, an aryloxycarbonyl group, an alkoxycarbonyl group, a carbamoyl group, an imide group, a phosphino group, an oxyphosphinyl group, an oxyphosphinyloxy group, an oxyphosphinylamino group and a silyl group, and a monovalent group in which at least two of them are linked together.

[0115] In the above substituent group A, preferred examples of the substituent which the substituted alkyl group may have include a halogen atom, an aryl group, an alkoxy group, an acyl group and a hydroxyl group.

[0116] The total number of carbon atoms in the substituted alkyl group is preferably 1 to 12. Examples thereof include benzyl, hydroxybenzyl, and methoxyethyl.

[0117] The total number of carbon atoms in a substituted alkyl group refers to the number of carbon atoms in the entire substituted alkyl group including the substituents that the substituted alkyl group may have. Hereinafter, the same meaning is used in other groups.

[0118] In addition, in R 1 and R 2 When both represent an alkyl group, the alkyl groups may be the same or different.

[0119] Can be used as R 1 and R 2 The aryl group may be any of an unsubstituted aryl group and a substituted aryl group having a substituent.

[0120] The unsubstituted aryl group is preferably an aryl group having 6 to 12 carbon atoms, and an example thereof is a phenyl group.

[0121] As a substituent which can be adopted for the said substituted aryl group, the substituent included in the said substituent group A can be mentioned, for example.

[0122] In the above substituent group A, preferred examples of the substituent that the substituted aryl group may have include a halogen atom (e.g., a chlorine atom, a bromine atom, and an iodine atom), a hydroxyl group, a carboxyl group, a sulfonamide group, an amino group (preferably represented by -NR a 2 represents a substituted amino group. a Each independently represents a hydrogen atom or an alkyl group. a The alkyl group preferably has 1 to 4 carbon atoms. ), alkyl (preferably an alkyl group having 1 to 4 carbon atoms; for example, methyl, ethyl, n-propyl and isopropyl), alkoxy (preferably an alkoxy group having 1 to 4 carbon atoms; for example, methoxy, ethoxy, n-propoxy and isopropoxy), alkoxycarbonyl (preferably an alkoxycarbonyl group having 2 to 5 carbon atoms; for example, methoxycarbonyl, ethoxycarbonyl, n-propoxycarbonyl and isopropoxycarbonyl) and sulfonyloxy, and a monovalent group formed by linking at least two of them.

[0123] As the substituted aryl group, an aryl group having 6 to 18 carbon atoms in total is preferred.

[0124] For example, 4-chlorophenyl, 2,5-dichlorophenyl, hydroxyphenyl, 4-carboxyphenyl, 3,5-dicarboxyphenyl, 4-methanesulfonylaminophenyl, 4-methylphenyl, 4-methoxyphenyl, 4-(2-hydroxyethoxy)phenyl, N,N-dimethylaminophenyl, 4-(N-carboxymethyl-N-ethylamino)phenyl, 4-ethoxycarbonylphenyl and 4-methanesulfonyloxyphenyl can be mentioned.

[0125] In addition, in R1 and R 2 When both represent aryl groups, the aryl groups may be the same or different.

[0126] As can be used as R 3 , R 4 , R 5 and R 6 Examples of the substituents include the substituents included in the above-mentioned substituent group A.

[0127] In the above substituent group A, R 3 , R 5 and R 6 Preferably, an alkyl group or an aryl group is used. 3 , R 5 and R 6 , preferably each independently a hydrogen atom, an alkyl group or an aryl group.

[0128] Furthermore, in the above substituent group A, R 4 Preferably, an alkyl group or an aryl group is used. 4 , preferably a hydrogen atom, an alkyl group or an aryl group.

[0129] As can be used as R 3 , R 5 and R 6 The alkyl group may be an unsubstituted alkyl group or a substituted alkyl group having a substituent, may be a linear or branched alkyl group, or may have a cyclic structure.

[0130] As can be used as the above R 3 , R 5 and R 6 The unsubstituted alkyl group may be, for example, a methyl group, an ethyl group, a n-propyl group, an isopropyl group, or the like. 3 , R 5 and R 6 The unsubstituted alkyl group preferably has 1 to 8 carbon atoms, more preferably 1 to 4 carbon atoms.

[0131] As the above R 3 , R 5 and R 6 Examples of the substituents that the substituted alkyl group may have include the substituents included in the above-mentioned substituent group A.

[0132] As the above R 3 , R 5 and R 6 Preferred examples of the substituent which the substituted alkyl group may have include an aryl group (preferably a phenyl group), a halogen atom, an acyl group, an amino group, an alkoxycarbonyl group, a carboxyl group and a hydroxyl group.

[0133] Can be used as above R3 , R 5 and R 6 The total number of carbon atoms of the substituted alkyl group is preferably 1 to 8. Examples thereof include a benzyl group, a carboxymethyl group, and a hydroxymethyl group.

[0134] In addition, in R 3 , R 5 and R 6 When both represent an alkyl group, the alkyl groups may be the same or different.

[0135] As can be used as the above R 3 , R 5 and R 6 The aryl group may be any of an unsubstituted aryl group and a substituted aryl group.

[0136] As can be used as the above R 3 , R 5 and R 6 The unsubstituted aryl group is preferably an aryl group having 6 to 10 carbon atoms, for example, a phenyl group is mentioned.

[0137] As the above R 3 , R 5 and R 6 Examples of the substituents that the substituted aryl group in may have include the substituents included in the above-mentioned substituent group A.

[0138] As the above R 3 , R 5 and R 6 Preferred examples of the substituents that the substituted aryl group may have include a halogen atom (for example, a fluorine atom, a chlorine atom, a bromine atom and an iodine atom), a hydroxyl group, a carboxyl group, and an alkyl group (preferably an alkyl group having 1 to 4 carbon atoms; for example, a methyl group, an ethyl group, a n-propyl group and an isopropyl group).

[0139] As can be used as the above R 3 , R 5 and R 6 The substituted aryl group is preferably an aryl group having a total carbon number of 6 to 10. Examples thereof include 2-fluorophenyl, 4-chlorophenyl, 2,5-dichlorophenyl, hydroxyphenyl, carboxyphenyl, 3,5-dicarboxyphenyl and 4-methylphenyl.

[0140] In R 5 and R 6 When both are substituents, from the viewpoint of light resistance and heat resistance, R 3 Preferred is a hydrogen atom.

[0141] In addition, in R 3 , R 5 and R 6When both are aryl groups, the aryl groups may be the same or different.

[0142] Can be used as R 4 The alkyl group may be an unsubstituted alkyl group or a substituted alkyl group having a substituent, may be a linear or branched alkyl group, or may have a cyclic structure.

[0143] As can be used as the above R 4 The unsubstituted alkyl group may be, for example, a methyl group, an ethyl group, a n-propyl group, an isopropyl group, and a cyclohexyl group. 4 The unsubstituted alkyl group preferably has 1 to 8 carbon atoms, more preferably 1 to 4 carbon atoms.

[0144] As the above R 4 Examples of the substituents that the substituted alkyl group may have include the substituents included in the above-mentioned substituent group A.

[0145] As the above R 4 Preferred examples of the substituent that the substituted alkyl group in may have include an aryl group (preferably a phenyl group), a heteroatom-containing cyclic group, a carboxyl group, a hydroxyl group, an alkyl group (preferably an alkyl group having 1 to 4 carbon atoms; for example, a methyl group, an ethyl group, a n-propyl group, and an isopropyl group), an alkoxy group (preferably an alkoxy group having 1 to 4 carbon atoms; for example, a methoxy group, an ethoxy group, a n-propoxy group, and an isopropoxy group), an aryloxy group, an alkoxycarbonyl group (preferably an alkoxycarbonyl group having 2 to 5 carbon atoms; for example, a methoxycarbonyl group, an ethoxycarbonyl group, a n-propoxycarbonyl group, and an isopropoxycarbonyl group), an alkylamino group (preferably an alkylamino group having 1 to 4 carbon atoms; for example, a dimethylamino group), an alkylcarbonylamino group (preferably an alkylcarbonylamino group having 1 to 4 carbon atoms; for example, a methylcarbonylamino group), a cyano group, an acyl group (for example, an acetyl group, a propionyl group, a benzoyl group, and a methylsulfonyl group), and a monovalent group in which at least two of them are linked.

[0146] Can be used as above R 4 The total number of carbon atoms of the substituted alkyl group is preferably 1-18.

[0147] For example, benzyl, carboxybenzyl, hydroxybenzyl, methoxycarbonylethyl, ethoxycarbonylmethyl, 2-cyanoethyl, 2-propionylaminoethyl, dimethylaminomethyl, methylcarbonylaminopropyl, di(methoxycarbonylmethyl)aminopropyl and phenacyl can be mentioned.

[0148] Can be used as above R 4 The aryl group may be any of an unsubstituted aryl group and a substituted aryl group having a substituent.

[0149] As can be used as the above R 4 The unsubstituted aryl group is preferably an aryl group having 6 to 12 carbon atoms, for example, a phenyl group is mentioned.

[0150] As the above R 4 Examples of the substituents that the substituted aryl group in may have include the substituents included in the above-mentioned substituent group A.

[0151] As the above R 4 Preferred examples of the substituent that the substituted aryl in may have include a halogen atom (e.g., a chlorine atom, a bromine atom, an iodine atom), a hydroxyl group, a carboxyl group, a sulfonamide group, an amino group, an alkyl group (preferably an alkyl group having 1 to 4 carbon atoms; for example, a methyl group, an ethyl group, a n-propyl group, an isopropyl group), an alkoxy group (preferably an alkoxy group having 1 to 4 carbon atoms; for example, a methoxy group, an ethoxy group, a n-propoxy group, an isopropoxy group), an alkoxycarbonyl group (preferably an alkoxycarbonyl group having 2 to 5 carbon atoms; for example, a methoxycarbonyl group, an ethoxycarbonyl group, a n-propoxycarbonyl group, an isopropoxycarbonyl group) and a sulfonyloxy group, and a monovalent group formed by linking at least two of them.

[0152] The above R 4 The amino group that the substituted aryl group may have may be an unsubstituted amino group (-NH2) and a substituted amino group having a substituent (-NR in the above substituent group A). a 2).

[0153] The above R 4 The substituted aryl group may have an amino group (-NR a 2), as R a , we can cite the above R 4 The same group as the substituted alkyl in .

[0154] The substituted amino group is preferably an alkylamino group in which one or two hydrogen atoms of the amino group are substituted with an alkyl group.

[0155] Examples of the alkylamino group include a methylamino group, a dimethylamino group, a diethylamino group, and a pyrrolidino group. The alkylamino group preferably has 1 to 8 carbon atoms, and more preferably 1 to 4 carbon atoms.

[0156] The alkyl group in the alkylamino group may be further substituted, and a di(alkoxycarbonylalkyl)amino group is preferred. The di(alkoxycarbonylalkyl)amino group preferably has 6 to 10 carbon atoms, and more preferably 6 to 8 carbon atoms.

[0157] As can be used as the above R 4The substituted aryl group is preferably an aryl group having 6 to 22 carbon atoms in total. For example, 4-chlorophenyl, 2,5-dichlorophenyl, hydroxyphenyl, 2,5-methoxyphenyl, 2-methoxy-5-ethoxycarbonylphenyl, 4-ethoxycarbonylphenyl, 4-butoxycarbonylphenyl, 4-octyloxycarbonylphenyl, 4-carboxyphenyl, 3,5-dicarboxyphenyl, 4-methanesulfonylaminophenyl, 4-methylphenyl, 4-methoxyphenyl, 4-ethoxyphenyl, 4-(2-hydroxyethoxy)phenyl, N,N-dimethylaminophenyl, N,N-diethylaminophenyl, 4-(N-carboxymethyl-N-ethylamino)phenyl, 4-{N,N-bis(ethoxycarbonylmethyl)amino}phenyl, 4-{bis(ethoxycarbonylmethyl)amino}carbonylphenyl, 4-ethoxycarbonylphenyl, 4-methanesulfonyloxyphenyl, 4-acetylsulfamoylphenyl, 4-propionylsulfamoylphenyl and 4-methanesulfonylaminophenyl can be mentioned.

[0158] R 5 With R 6 They may be bonded to each other to form a 6-membered ring. During the ring formation, a hydrogen atom may be removed to form an aromatic ring or an aliphatic ring having an unsaturated bond.

[0159] R 5 With R 6 The 6-membered ring formed by bonding to each other is preferably a benzene ring.

[0160] In particular, from the viewpoint of light resistance, it is preferred that R in the general formula (A1) 1 and R 2 R 1 is an alkyl group, more preferably R 1 is an alkyl group, and R 2 From the same viewpoint, it is more preferred that R 1 and R 2 Each of them is independently an alkyl group, and an alkyl group having 1 to 8 carbon atoms is particularly preferred.

[0161] Furthermore, from the viewpoint of heat resistance and light resistance, it is also preferred that R in the general formula (A1) 1 and R 2 All are aromatic groups.

[0162] In R 1 and R 2 When each independently represents an aryl group, preferably R 3 , R 5 and R 6 Each independently represents a hydrogen atom, an alkyl group or an aryl group, and R 3 and R 6 At least one of them is a hydrogen atom. Among them, from the viewpoint of heat resistance and light resistance, R 3 represents a hydrogen atom, R5 and R 6 When each independently represents an alkyl group or an aryl group, it is more preferred that R 3 represents a hydrogen atom, R 5 and R 6 When each independently represents an alkyl group, R 3 represents a hydrogen atom, R 5 and R 6 Each independently represents an alkyl group, and R 5 and R 6 In the case where the dyes are bonded to each other to form a ring and fused to form a pyrrole ring, and form an indole ring together with the pyrrole ring. That is, the dye represented by the above general formula (A1) is particularly preferably a dye represented by the following general formula (A2).

[0163] [Chemical formula 4]

[0164]

[0165] In the general formula (A2), R 1 ~R 4 Respectively with R in the general formula (A1) 1 ~R 4 The meaning is the same and the preferred method is also the same.

[0166] In the general formula (A2), R 15 represents a substituent. 15 The substituents of R include the substituents included in the above-mentioned substituent group A. 15 , preferably an alkyl group, an aryl group, a halogen atom, an acyl group, an amino group or an alkoxycarbonyl group.

[0167] Can be used as R 15 The alkyl and aryl groups can be used as R 3 , R 5 and R 6 The alkyl and aryl groups are described.

[0168] As can be used as R 15 Examples of the halogen atom include a chlorine atom, a bromine atom and an iodine atom.

[0169] As can be used as R 15 Examples of the acyl group include acetyl, propionyl and butyryl.

[0170] As can be used as R 15 The amino group can be used 4 The description of the amino group which the substituted aryl group may have. Also preferred is a nitrogen-containing heterocyclic group having a 5- to 7-membered ring in which an alkyl group on the nitrogen atom of the amino group is bonded to form a ring.

[0171] As can be used as R15 The alkoxycarbonyl group is preferably an alkoxycarbonyl group having 2 to 5 carbon atoms, and examples thereof include methoxycarbonyl, ethoxycarbonyl, n-propoxycarbonyl and isopropoxycarbonyl.

[0172] n is an integer of 0 to 4. n is not particularly limited, but is preferably 0 or 1, for example.

[0173] Specific examples of the dye represented by the general formula (A1) are shown below, but the present invention is not limited to these.

[0174] In the following specific examples, Me represents a methyl group.

[0175] [Chemical formula 5]

[0176]

[0177] [Chemical formula 6]

[0178]

[0179] [Chemical formula 7]

[0180]

[0181] As dye A, in addition to the coloring matter represented by general formula (A1), compounds described in paragraphs

[0012] to

[0067] of JP-A-5-53241 and compounds described in paragraphs

[0011] to

[0076] of JP-A-2707371 can be preferably used.

[0182] (Dye B, Dye C)

[0183] The dye B is not particularly limited as long as it has a main absorption wavelength band at a wavelength of 480 to 520 nm in a wavelength selective absorption filter, and various dyes can be used.

[0184] Furthermore, the dye C is not particularly limited as long as it has a main absorption wavelength band at a wavelength of 580 to 620 nm in a wavelength selective absorption filter, and various dyes can be used.

[0185] Specific examples of the dye B include pyrrole methine (PM)-based, rhodamine (RH)-based, boron dipyrromethene (BODIPY)-based, and squaraine (SQ)-based pigments (dyes).

[0186] Specific examples of the dye C include tetraazaporphyrin (TAP)-based, squarylium-based, and cyanine (CY)-based pigments (dyes).

[0187] Among them, as the dye B and dye C, from the viewpoint of sharp absorption waveform in the main absorption wavelength band, a squarylium dye is preferred, and a squarylium dye represented by the general formula (1) described in

[0016] to

[0070] of International Publication No. 2019 / 189463 is more preferred. As dye B and dye C, as described above, a dye with a sharp absorption waveform is used, thereby being able to take into account both reflectivity and suppression of brightness reduction.

[0188] That is, in the wavelength selective absorption filter of the present invention, from the viewpoint of suppressing the above-mentioned color tone change, it is preferred that at least one of dye B and dye C is a squaryl cyanine dye (preferably a squaryl cyanine dye represented by the general formula (1) described in

[0016] to

[0070] of International Publication No. 2019 / 189463), and it is more preferred that both dye B and dye C are squaryl cyanine dyes (preferably a squaryl cyanine dye represented by the general formula (1) described in

[0016] to

[0070] of International Publication No. 2019 / 189463).

[0189] In addition, the description of dye A in International Publication No. 2019 / 189463 is replaced by dye B in the present invention, and the description of dye B in International Publication No. 2019 / 189463 is replaced by dye C in the present invention.

[0190] As specific examples of the pigment represented by any one of the general formulas (1) to (5) described in International Publication No. 2019 / 189463, in addition to the description of

[0048] of International Publication No. 2019 / 189463, the following specific examples can be given. However, the present invention is not limited to these.

[0191] In the following specific examples, Me represents a methyl group, Et represents an ethyl group, Bu represents a butyl group, and Ph represents a phenyl group.

[0192] [Chemical formula 8]

[0193]

[0194] [Chemical formula 9]

[0195]

[0196] [Chemical formula 10]

[0197]

[0198] [Chemical formula 11]

[0199]

[0200] In addition to the above specific examples, as specific examples of a pigment represented by any one of the general formulas (3) to (5) described in International Publication No. 2019 / 189463, in addition to the records of

[0050] to

[0055] of International Publication No. 2019 / 189463, the following specific examples can also be cited. The substituent B in the following table represents the substituent B described in the following structure or

[0050] or

[0051] of International Publication No. 2019 / 189463. In the following structure and the following table, Me represents a methyl group, Et represents an ethyl group, i-Pr represents an isopropyl group, Bu represents a n-butyl group, t-Bu represents a tert-butyl group, and Ph represents a phenyl group. In the following structure, * represents the bonding portion to the carbon four-membered ring in each general formula.

[0201] [Chemical formula 12]

[0202]

[0203] [Chemical formula 13]

[0204]

[0205] [Chemical formula 14]

[0206]

[0207] [Chemical formula 15]

[0208]

[0209] As specific examples of the pigment represented by any one of the general formulas (6) to (9) described in International Publication No. 2019 / 189463, in addition to the descriptions of

[0068] to

[0070] of International Publication No. 2019 / 189463, the following specific examples can be given. However, the present invention is not limited to these.

[0210] In the following specific examples, Me represents a methyl group, Et represents an ethyl group, i-Pr represents an isopropyl group, t-Bu represents a tert-butyl group, and Ph represents a phenyl group. In the following structures, * represents a bonding portion to a carbon four-membered ring in each general formula.

[0211] [Chemical formula 16]

[0212]

[0213] (Quencher built-in pigment)

[0214] The squarylium dye represented by the general formula (1) described in International Publication No. 2019 / 189463 may be a built-in quencher dye in which the quencher portion is linked to the dye by a covalent bond via a linking group. The built-in quencher dye can also be preferably used as at least one of dyes B and C. That is, the built-in quencher dye is classified as dye B or dye C according to the wavelength having the main absorption wavelength band.

[0215] As the quencher part, for example, there can be mentioned a metallocene group in the substituent X described later. In the description of the metallocene group in the substituent X described later, "general formula (1)" is replaced with "general formula (1) described in International Publication No. 2019 / 189463".

[0216] In addition, the quencher moiety in the quencher compound described in paragraphs

[0199] to

[0212] and paragraphs

[0234] to

[0310] of International Publication No. 2019 / 066043 can be cited.

[0217] That is, among the squarylium dyes represented by the general formula (1) described in International Publication No. 2019 / 189463, a dye having the above-mentioned quencher part as a substituent X is also one of the preferred aspects.

[0218] As specific examples of the pigment corresponding to the built-in quencher pigment among the squarylium pigments represented by the general formula (1) described in International Publication No. 2019 / 189463, in addition to the descriptions of

[0223] to

[0234] of International Publication No. 2019 / 189463, the following specific examples can be given. However, the present invention is not limited to these.

[0219] In the following specific examples, Me represents a methyl group, Et represents an ethyl group, and Bu represents a butyl group.

[0220] [Chemical formula 17]

[0221]

[0222] [Chemical formula 18]

[0223]

[0224] [Chemical formula 19]

[0225]

[0226] [Chemical formula 20]

[0227]

[0228] [Chemical formula 21]

[0229]

[0230] (Dye D)

[0231] The dye D is not particularly limited as long as it has a main absorption wavelength band at a wavelength of 680 to 780 nm in a wavelength selective absorption filter, and various dyes can be used.

[0232] Specific examples of the dye D include porphyrin-based, squarylium-based, and cyanine (CY)-based pigments (dyes).

[0233] Among them, as the dye D, from the viewpoint of having a sharp absorption waveform in the main absorption wavelength band, a squarylium dye is preferred, and a squarylium dye represented by the following general formula (1) is more preferred.

[0234] In the present invention, in the pigment represented by following each general formula, cation exists in the mode of delocalization, and has a plurality of tautomeric structures.Therefore, in the present invention, at least one tautomeric structure of some pigment is applicable to the situation of each general formula, and a certain pigment is made as the pigment represented by each general formula.Therefore, the pigment represented by specific general formula also can be called the pigment that can represent at least one tautomeric structure by specific general formula.In the present invention, about the pigment represented by general formula, as long as at least one of its tautomeric structure is applicable to this general formula, then can adopt any tautomeric structure.

[0235] (Dye represented by general formula (1))

[0236] [Chemical formula 22]

[0237]

[0238] In the general formula (1), A and B each independently represent an aryl group which may have a substituent, a heterocyclic group which may have a substituent, or -CH=G. G represents a heterocyclic group which may have a substituent.

[0239] The aryl group that can be used as A or B is not particularly limited, and may be a group containing a single ring or a group containing a condensed ring. The number of carbon atoms in the aryl group is preferably 6 to 30, more preferably 6 to 20, and further preferably 6 to 12. Examples of the aryl group include groups containing a benzene ring or a naphthalene ring, and are preferably groups containing a benzene ring.

[0240] As a heterocyclic group that can be used as A or B, there is no particular limitation, including a group comprising an aliphatic heterocycle or an aromatic heterocycle, preferably a group comprising an aromatic heterocycle. As a heteroaryl of an aromatic heterocyclic group, for example, a heteroaryl that can be used as a substituent X described later can be cited. Aromatic heterocyclic groups that can be used as A or B are preferably groups of 5-membered rings or 6-membered rings, more preferably groups of nitrogen-containing 5-membered rings. Specifically, a group comprising any one of a pyrrole ring, a furan ring, a thiophene ring, an imidazole ring, a pyrazole ring, a thiazole ring, an oxazole ring, a triazole ring, an indole ring, an indolenine ring, a pyridine ring, a pyrimidine ring, a quinoline ring, a benzothiazole ring, a benzoxazole ring and a pyrazolotriazole ring can be preferably cited. Among them, a group comprising any one of a pyrrole ring, a pyrazole ring, a thiazole ring, a pyridine ring, a pyrimidine ring and a pyrazolotriazole ring is preferred. The pyrazolotriazole ring includes a fused ring of a pyrazole ring and a triazole ring, and any fused ring may be formed by condensing at least one of these rings. For example, a fused ring in which a pyrazole ring and a triazole ring share one nitrogen atom and one carbon atom is mentioned.

[0241] A and B may be bonded to the squarylium acid moiety (the four-membered ring represented by the general formula (1)) at any position (ring-constituting atom) without particular limitation, but are preferably bonded to a carbon atom.

[0242] G in -CH=G which can be used as A or B represents a heterocyclic group which may have a substituent, and preferred examples include those exemplified as the heterocyclic groups which can be used as A or B. Among them, groups containing any one of a benzoxazole ring, a benzothiazole ring and an indoline ring are preferred.

[0243] At least one of A and B may have a hydrogen-bonding group that forms a hydrogen bond in the molecule.

[0244] A, B and G may each have a substituent X. When having a substituent X, adjacent substituents may bond to each other to further form a ring structure. In addition, there may be multiple substituents X. When adjacent substituents X bond to each other to further form a ring structure, two substituents X may form a ring with a heteroatom such as a boron atom interposed therebetween. The boron atom may be further substituted with a substituent, and substituents such as an alkyl group and an aryl group may be cited. As an example of a ring formed by bonding two substituents X, for example, two of the following -NR 14 R 15 The ring formed by bonding, two of the following -NR 14 R 15 A ring is formed by bonding these atoms with a boron atom interposed therebetween.

[0245] As the substituent X, for example, the following groups can be mentioned.

[0246] Alkyl (preferably having 1 to 20 carbon atoms, more preferably 1 to 15, and still more preferably 1 to 8 carbon atoms. For example, methyl, ethyl, propyl, isopropyl, butyl, tert-butyl, isobutyl, pentyl, hexyl, octyl, dodecyl, trifluoromethyl, cyclopentyl, and cyclohexyl),

[0247] Alkenyl (preferably 2 to 20 carbon atoms, more preferably 2 to 12, and even more preferably 2 to 8 carbon atoms. For example, vinyl and allyl),

[0248] Alkynyl (preferably 2 to 40 carbon atoms, more preferably 2 to 30 carbon atoms, and particularly preferably 2 to 25 carbon atoms. For example, ethynyl and propargyl),

[0249] Aryl group (preferably 6 to 30 carbon atoms, more preferably 6 to 20 carbon atoms, and even more preferably 6 to 12 carbon atoms. For example, phenyl and naphthyl),

[0250] Heteroatom-containing cyclic group (including aromatic heteroatom-containing cyclic group and aliphatic heteroatom-containing cyclic group. Includes a group containing a monocyclic or condensed ring, preferably a group containing a monocyclic or condensed ring having 2 to 8 rings, and more preferably a group containing a monocyclic or condensed ring having 2 to 4 rings. The number of heteroatoms constituting the ring is preferably 1 to 3, and the heteroatoms constituting the ring may be nitrogen atoms, oxygen atoms or sulfur atoms, and preferably a group containing a 5-membered ring or a 6-membered ring. The number of carbon atoms constituting the ring of the heteroaryl group is preferably 3 to 30, more preferably 3 to 18, and further preferably 3 to 12. For example, furanyl, thienyl, pyridyl, pyridazinyl, pyrimidinyl, pyrazinyl, triazolyl, imidazolyl, pyrazolyl, thiazolyl, benzimidazolyl, benzoxazolyl, quinazolinyl, phthalazinyl, pyrrolidinyl, imidazolidinyl, morpholinyl, oxazolidinyl.),

[0251] Aralkyl (the alkyl part of the aralkyl group is the same as the above-mentioned alkyl group. The aryl part of the aralkyl group is the same as the above-mentioned aryl group. The carbon number of the aralkyl group is preferably 7 to 40, more preferably 7 to 30, and further preferably 7 to 25.), metallocene group,

[0252] -OR 10 (For example, hydroxyl, alkoxy (methoxy, ethoxy, propoxy, etc.), cycloalkoxy (cyclopentyloxy, cyclohexyloxy, etc.), aryloxy (phenoxy, naphthoxy, etc.), heteroaryloxy (aromatic heterocyclic oxy) are mentioned.)

[0253] -C(=O)R 11 (Acyl groups such as acetyl, ethylcarbonyl, propylcarbonyl, cyclohexylcarbonyl, octylcarbonyl, 2-ethylhexylcarbonyl, phenylcarbonyl, naphthylcarbonyl and pyridylcarbonyl may be mentioned.)

[0254] -C(=O)OR 12(For example, carboxyl, alkoxycarbonyl (methoxycarbonyl, ethoxycarbonyl, butoxycarbonyl, octyloxycarbonyl, etc.), aryloxycarbonyl (phenoxycarbonyl, naphthoxycarbonyl, etc.),

[0255] -OC(=O)R 12 (Acetyloxy group, ethylcarbonyloxy group, butylcarbonyloxy group, octylcarbonyloxy group, phenylcarbonyloxy group and the like are exemplified.)

[0256] -NR 14 R 15 (Amino groups include amino groups (-NH2), ethylamino, dimethylamino, butylamino, dibutylamino, cyclopentylamino, 2-ethylhexylamino, dodecylamino, anilino, naphthylamino, and 2-pyridylamino.)

[0257] -NHCOR 16 (Amides such as methylcarbonylamino, ethylcarbonylamino, dimethylcarbonylamino, propylcarbonylamino, pentylcarbonylamino, cyclohexylcarbonylamino, 2-ethylhexylcarbonylamino, octylcarbonylamino, dodecylcarbonylamino, phenylcarbonylamino and naphthylcarbonylamino may be mentioned.)

[0258] -CONR 17 R 12 (Aminocarbonyl, methylaminocarbonyl, dimethylaminocarbonyl, propylaminocarbonyl, pentylaminocarbonyl, cyclohexylaminocarbonyl, octylaminocarbonyl, 2-ethylhexylaminocarbonyl, dodecylaminocarbonyl, phenylaminocarbonyl, naphthylaminocarbonyl, 2-pyridylaminocarbonyl and other carbamoyl groups may be mentioned.)

[0259] -NHCONR 19 R 20 (Urea groups such as methylurea, ethylurea, pentylurea, cyclohexylurea, octylurea, dodecylurea, phenylurea, naphthylurea, and 2-pyridylsemicarbazide can be mentioned.)

[0260] -NHCOOR 21 ,

[0261] -SR 22 (For example, alkylthio groups (methylthio, ethylthio, propylthio, etc.), cycloalkylthio groups (cyclopentylthio, cyclohexylthio, etc.), arylthio groups (phenylthio, naphthylthio, etc.), heteroarylthio groups (aromatic heterocyclic thio groups) are mentioned.)

[0262] -SO2R 23 (For example, alkylsulfonyl (methylsulfonyl, ethylsulfonyl, butylsulfonyl, cyclohexylsulfonyl, 2-ethylhexylsulfonyl, etc.), arylsulfonyl (benzenesulfonyl, naphthylsulfonyl, 2-pyridylsulfonyl, etc.),

[0263] -OSO2R 24 (Alkylsulfonyloxy groups such as methanesulfonyloxy group may be mentioned.)

[0264] -NHSO2R 25 (sulfonamide groups such as methylsulfonylamino, octylsulfonylamino, 2-ethylhexylsulfonylamino, and trifluoromethylsulfonylamino.),

[0265] -SO2NR 26 R 27 (Aminosulfonyl groups include aminosulfonyl, methylaminosulfonyl, dimethylaminosulfonyl, butylaminosulfonyl, cyclohexylaminosulfonyl, octylaminosulfonyl, phenylaminosulfonyl, 2-pyridylaminosulfonyl and the like.)

[0266] -P(=O)(OR 28 )2 (phosphoryl groups such as dimethoxyphosphoryl and diphenylphosphoryl can be mentioned.),

[0267] Halogen atoms (fluorine, chlorine, bromine and iodine),

[0268] Cyano,

[0269] Nitro.

[0270] Furthermore, the substituent X preferably has the quencher moiety in addition to the metallocene group.

[0271] In addition, the above R 10 ~R 28 Each independently represents a hydrogen atom, an aliphatic group, an aromatic group or a heteroatom-containing cyclic group. 10 ~R 28 The aliphatic group and the aromatic group are not particularly limited and can be appropriately selected from the alkyl, alkenyl and alkynyl groups classified as aliphatic groups and the aryl groups classified as aromatic groups among the substituents that can be used as the substituent X. 10 ~R 28 The heteroatom-containing ring group may be aliphatic or aromatic, and can be appropriately selected, for example, from the heteroatom-containing ring groups that can be used as the substituent X (aromatic heteroatom-containing ring groups or aliphatic heteroatom-containing ring groups).

[0272] The alkyl group, alkenyl group and alkynyl group which can be used as the substituent X may be linear, branched or cyclic, and are preferably linear or branched.

[0273] In addition, in -COOR 12 R 12In the case of a hydrogen atom (i.e., a carboxyl group), the hydrogen atom may be dissociated (i.e., a carbonate group) or in the form of a salt. 24 R 24 When it is a hydrogen atom (ie, a sulfo group), the hydrogen atom may be dissociated (ie, a sulfonate group) or may be in the state of a salt.

[0274] The substituent which can be used as the substituent X may further have a substituent. As the substituent which may further have, the substituent X mentioned above can be mentioned.

[0275] Furthermore, adjacent substituents may be bonded to each other to form a ring, and the formed ring is preferably an aliphatic heterocyclic ring or a heteroaryl ring, and the size of the formed ring is not particularly limited, but is preferably a 5-membered ring or a 6-membered ring. Furthermore, the number of the formed rings is not particularly limited, and may be 1 or more than 2.

[0276] The metallocene group which can be used as the substituent X is preferably represented by the following general formula (2M).

[0277] [Chemical formula 23]

[0278]

[0279] In the general formula (2M), L represents a single bond or a divalent linking group that is not conjugated with A, B or G in the general formula (1). 1m ~R 9m and (c) and (d) represent a hydrogen atom or a substituent. M is an atom that can constitute a metallocene compound and represents Fe, Co, Ni, Ti, Cu, Zn, Zr, Cr, Mo, Os, Mn, Ru, Sn, Pd, Rh, V or Pt. * represents a bonding portion with A, B or G.

[0280] In the present invention, when L in the general formula (2M) is a single bond, the cyclopentadiene ring directly bonded to A, B or G (having R in the general formula (2M)) 1m The ring) is not included in the conjugated structure conjugated with A, B or G.

[0281] As a divalent linking group that can be used as L, there is no particular limitation as long as it is a linking group that is not conjugated with A, B or G, and the above-mentioned conjugated structure may be contained in the interior thereof or at the end portion of the cyclopentadiene ring side in the general formula (2M). As a divalent linking group, for example, an alkylene group having 1 to 20 carbon atoms, an arylene group having 6 to 20 carbon atoms, a divalent heterocyclic group obtained by removing two hydrogen atoms from a heterocyclic ring, -CH=CH-, -CO-, -CS-, -NR- (R represents a hydrogen atom or a monovalent substituent.), -O-, -S-, -SO2- or -N=CH-, or a divalent linking group formed by combining a plurality of them (preferably 2 to 6). Preferably, it is a group selected from the group consisting of an alkylene group having 1 to 8 carbon atoms, an arylene group having 6 to 12 carbon atoms, -CH=CH-, -CP-, -NR- (R is as described above), -O-, -S-, -SO2- and -N=CH-, or a divalent linking group formed by combining two or more groups (preferably 2 to 6) selected from the group, and more preferably, it is a group selected from the group consisting of an alkylene group having 1 to 4 carbon atoms, a phenylene group, -CO-, -NH-, -O- and -SO2-, or a linking group formed by combining two or more groups (preferably 2 to 6) selected from the group. As a bivalent linking group to be combined, there is no particular limitation, but a group preferably comprising -CO-, -NH-, -O- or -SO2-, a linking group formed by combining two or more of -CO-, -NH-, -O- or -SO2-, or a linking group formed by combining at least one of -CO-, -NH-, -P- and -SP2- with an alkylene group or an arylene group can be cited. As a linking group formed by combining two or more of -CO-, -NH-, -O- or -SO2-, -COO-, -OCO-, -CONH-, -NHCOO-, -NHCONH-, -SO2NH- can be cited. As a linking group formed by combining at least one of -CO-, -NH-, -O- and -SO2- with an alkylene group or an arylene group, a group formed by combining -CO-, -COO- or -CONH- with an alkylene group or an arylene group can be cited.

[0282] The substituent that can be used as R is not particularly limited and has the same meaning as the substituent X described above.

[0283] L is preferably a single bond, or a group selected from the group consisting of an alkylene group having 1 to 8 carbon atoms, an arylene group having 6 to 12 carbon atoms, -CH=CH-, -CO-, -NR- (R is as described above), -O-, -S-, -SO2- and -N=CH-, or a group consisting of a combination of two or more groups selected from this group.

[0284] L may have one or more substituents. There are no particular restrictions on the substituents that L may have, and for example, they have the same meaning as the above-mentioned substituent X. When L has multiple substituents, the substituents bonded to adjacent atoms may bond to each other to further form a ring structure.

[0285] The alkylene group which can be used as L may be any of linear, branched or cyclic groups as long as it has 1 to 20 carbon atoms, and examples thereof include methylene, ethylene, propylene, methylethylene, methylmethylene, dimethylmethylene, 1,1-dimethylethylene, butylene, 1-methylpropylene, 2-methylpropylene, 1,2-dimethylpropylene, 1,3-dimethylpropylene, 1-methylbutylene, 2-methylbutylene, 3-methylbutylene, 4-methylbutylene, 2,4-dimethylbutylene, 1,3-dimethylbutylene, pentylene, hexylene, heptylene, octylene, ethane-1,1-diyl, propane-2,2-diyl, cyclopropane-1,1-diyl, cyclopropane-1,2-diyl, cyclobutane-1,1-diyl, cyclobutane-1,2-diyl, cyclopentane-1,1-diyl, cyclopentane-1,2-diyl, cyclopentane-1,3-diyl, cyclohexane-1,1-diyl, cyclohexane-1,2-diyl, cyclohexane-1,3-diyl, cyclohexane-1,4-diyl, methylcyclohexane-1,4-diyl and the like.

[0286] When L is used as a linking group containing at least one of -CO-, -CS-, -NR- (R is as described above), -O-, -S-, -SO2- and -N=CH- in the alkylene group, a group such as -CO- can be introduced into any position in the alkylene group, and the number introduced is not particularly limited.

[0287] The arylene group that can be used as L is not particularly limited as long as it is a group having 6 to 20 carbon atoms. For example, it includes a group obtained by further removing one hydrogen atom from each of the groups exemplified as the aryl group having 6 to 20 carbon atoms that can be used as A in the general formula (1).

[0288] The heterocyclic group that can be used as L is not particularly limited, and examples thereof include groups obtained by further removing one hydrogen atom from the groups exemplified as the heterocyclic group that can be used as A.

[0289] In the general formula (2M), the remaining partial structure after removing the linking group L is equivalent to a structure (metallocene structure) formed by removing one hydrogen atom from the metallocene compound. In the present invention, the metallocene compound as the metallocene structure can be used without particular limitation as long as it is a compound that conforms to the partial structure defined by the general formula (2M) (a compound in which a hydrogen atom is bonded instead of L). The metallocene structure defined by the general formula (2M) is specifically described below.

[0290] In the general formula (2M), R 1m ~R 9m represents a hydrogen atom or a substituent. 1m ~R 9m The substituent of R is not particularly limited, but can be selected from the substituents that can be used as the above-mentioned substituent X. 1m ~R 9m A hydrogen atom, a halogen atom, an alkyl group, an acyl group, an alkoxy group, an amino group or an amide group is preferred, a hydrogen atom, a halogen atom, an alkyl group, an acyl group or an alkoxy group is more preferred, a hydrogen atom, a halogen atom, an alkyl group or an acyl group is further preferred, a hydrogen atom, a halogen atom or an alkyl group is particularly preferred, and a hydrogen atom is most preferred.

[0291] As can be used as R 1m ~R 9m The alkyl group that can be used as the alkyl group of the substituent X is preferably an alkyl group having 1 to 8 carbon atoms, for example, methyl, ethyl, propyl, isopropyl, butyl, sec-butyl, tert-butyl, isobutyl, pentyl, tert-pentyl, hexyl, octyl, and 2-ethylhexyl.

[0292] The alkyl group may have a halogen atom as a substituent. Examples of the alkyl group substituted with a halogen atom include chloromethyl, dichloromethyl, trichloromethyl, bromomethyl, dibromomethyl, tribromomethyl, fluoromethyl, difluoromethyl, trifluoromethyl, 2,2,2-trifluoroethyl, perfluoroethyl, perfluoropropyl, and perfluorobutyl.

[0293] And, can be used as R 1mIn the alkyl groups such as alkyl, at least one methylene group forming the carbon chain may be substituted by -O- or -CO-. Examples of the alkyl group in which the methylene group is substituted by -O- include methoxy, ethoxy, propoxy, isopropoxy, butoxy, sec-butoxy, tert-butoxy, 2-methoxyethoxy, chloromethoxy, dichloromethoxy, trichloromethoxy, bromomethoxy, dibromomethoxy, tribromomethoxy, fluoromethoxy, difluoromethoxy, trifluoromethoxy, 2,2,2-trifluoroethoxy, perfluoroethoxy, perfluoropropoxy, and alkyl groups in which the methylene group at the end of the carbon chain is substituted by 2-methoxyethyl, etc. Examples of the alkyl group in which the methylene group is substituted by -CO- include acetyl, propionyl, monochloroacetyl, dichloroacetyl, trichloroacetyl, trifluoroacetyl, propan-2-on-1-yl, butan-2-on-1-yl, etc.

[0294] In the general formula (2M), M is an atom that can constitute a metallocene compound and represents Fe, Co, Ni, Ti, Cu, Zn, Zr, Cr, Mo, Os, Mn, Ru, Sn, Pd, Rh, V or Pt. Among them, M is preferably Fe, Ti, Co, Ni, Zr, Ru or Os, more preferably Fe, Ti, Ni, Ru or Os, further preferably Fe or Ti, and most preferably Fe.

[0295] As the group represented by the general formula (2M), it is preferred that L, R 1m ~R 9m and M are preferably combined with each other, for example, a single bond as L or a group selected from the group consisting of an alkylene group having 2 to 8 carbon atoms, an arylene group having 6 to 12 carbon atoms, -CH=CH-, -CO-, -NR- (R is as described above), -O-, -S-, -SO2- and -N=CH-, or a group consisting of a combination of two or more groups selected from the group, as R 1m ~R 9m A group consisting of a hydrogen atom, a halogen atom, an alkyl group, an acyl group or an alkoxy group and Fe as M.

[0296] Alkyl, alkenyl, alkynyl, aralkyl, aryl and heteroaryl groups which can be used as the substituent X, and 10 ~R 28The aliphatic group, aromatic group and heteroatom-containing cyclic group may further have a substituent, respectively, or may be unsubstituted. As a substituent that may be further possessed, there is no particular restriction, but it is preferably selected from an alkyl, aryl, amino, alkoxy, aryloxy, aromatic heterocyclic oxy, acyl, alkoxycarbonyl, aryloxycarbonyl, acyloxy, acylamino, alkoxycarbonylamino, aryloxycarbonylamino, sulfonylamino, alkylthio, arylthio, aromatic heterocyclic sulfide, sulfonyl, metallocene, hydroxyl, sulfhydryl, halogen atom, cyano, sulfo and carboxyl substituents, more preferably selected from an alkyl, aryl, alkoxy, aryloxy, aromatic heterocyclic oxy, acyl, alkoxycarbonyl, aryloxycarbonyl, acyloxy, alkylthio, arylthio, aromatic heterocyclic sulfide, sulfonyl, metallocene, hydroxyl, sulfhydryl, halogen atom, cyano, sulfo and carboxyl substituents. These groups can be appropriately selected from the substituents that can be used as the above-mentioned substituent X.

[0297] When the dye D is a coloring matter represented by the general formula (1), it is preferably a coloring matter represented by the following general formula (14).

[0298] [Chemical formula 24]

[0299]

[0300] In the general formula (14), R 1 and R 2 Each independently represents a hydrogen atom or a substituent. 1 With R 2 They may be the same or different and may be bonded to each other to form a ring.

[0301] As can be used as R 1 and R 2 The substituent of is not particularly limited, but examples thereof include alkyl groups (including cycloalkyl groups), alkenyl groups, alkynyl groups, aryl groups, heteroatom-containing cyclic groups (including aromatic heteroatom-containing cyclic groups and aliphatic heteroatom-containing cyclic groups), alkoxy groups, cycloalkyloxy groups, aryloxy groups, heteroaryloxy groups, alkylthio groups, cycloalkylthio groups, arylthio groups, heteroarylthio groups, alkoxycarbonyl groups, aryloxycarbonyl groups, phosphoryl groups, sulfamoyl groups, acyl groups, acyloxy groups, amide groups, sulfonamide groups, carbamoyl groups, urea groups, alkylsulfonyl groups, arylsulfonyl groups, amino groups, alkylsulfonyloxy groups, cyano groups, nitro groups, halogen atoms, hydroxyl groups, and the like in the above-mentioned substituents X.

[0302] And, R 41 and R 42 Also with the above R 1 and R 2 Same meaning.

[0303] R 1 , R 2 , R 41 and R42 It may further have a substituent. Examples of the substituent that may further have include the substituent X mentioned above.

[0304] Among them, R 1 , R 2 , R 41 and R 42 An alkyl group, an alkenyl group, an aryl group or a heteroaryl group is preferred, an alkyl group, an aryl group or a heteroaryl group is more preferred, and an alkyl group or an aryl group is further preferred.

[0305] B in the general formula (14) 1 , B 2 , B 3 and B 4 Each independently represents a carbon atom or a nitrogen atom. 1 , B 2 , B 3 and B 4 The ring of is an aromatic ring. 1 ~B 4 At least 2 of them are carbon atoms, more preferably B 1 ~B 4 All carbon atoms.

[0306] Can be used as B 1 ~B 4 The carbon atoms have hydrogen atoms or substituents. 1 ~B 4 The number of carbon atoms having a substituent among the carbon atoms in is not particularly limited, but is preferably 0, 1 or 2, and more preferably 1. In particular, B is preferably 1 and B 4 are carbon atoms, and at least one of them has a substituent.

[0307] As can be used as B 1 ~B 4 The substituents on the carbon atoms of are not particularly limited, and examples thereof include 1 and R 2 The above-mentioned substituents. Among them, preferably, it is an alkyl group, an alkoxy group, an alkoxycarbonyl group, an aryl group, an acyl group, an amide group, a sulfonamide group, a carbamoyl group, an alkylsulfonyl group, an arylsulfonyl group, an amino group, a cyano group, a nitro group, a halogen atom or a hydroxyl group, and more preferably, it is an alkyl group, an alkoxy group, an alkoxycarbonyl group, an aryl group, an acyl group, an amide group, a sulfonamide group, a carbamoyl group, an amino group, a cyano group, a nitro group, a halogen atom or a hydroxyl group.

[0308] And, B 5 , B 6 , B 7 and B 8 Respectively with the above B 1 , B 2 , B3 and B 4 Same meaning.

[0309] Can be used as B 1 ~B 8 The substituent possessed by the carbon atom of may further have a substituent. As the substituent that may further have, the above-mentioned substituent X can be mentioned.

[0310] As can be used as B 1 , B 4 , B 5 and B 8 The substituent possessed by the carbon atom is further preferably an alkyl group, an alkoxy group, a hydroxyl group, an amide group, a sulfonamide group or a carbamoyl group, and particularly preferably an alkyl group, an alkoxy group, a hydroxyl group, an amide group or a sulfonamide group, and most preferably a hydroxyl group, an amide group or a sulfonamide group.

[0311] As can be used as B 2 , B 3 , B 6 and B 7 The substituents possessed by the carbon atoms are further preferably alkyl, alkoxy, alkoxycarbonyl, acyl, amino, cyano, nitro or halogen atoms, and it is particularly preferred that any one of the substituents is an electron withdrawing group (for example, alkoxycarbonyl, acyl, cyano, nitro or halogen atom).

[0312] In the general formula (14), R 1 With R 2 Can bond to each other to form a ring, R 1 or R 2 With B 2 or B 3 The substituents possessed may be bonded to form a ring. 41 With R 42 Can bond to each other to form a ring, R 41 or R 42 With B 6 or B 7 The substituents may be bonded to form a ring.

[0313] In the above, the ring formed is preferably a heterocyclic ring or a heteroaryl ring. The size of the ring formed is not particularly limited, but preferably a 5-membered ring or a 6-membered ring. In addition, the number of rings formed is not particularly limited, and may be 1 or 2 or more. As a form of forming 2 or more rings, for example, R 1 With B 2 Substituents and R 2 With B 3 The substituents possessed are respectively bonded to form two rings.

[0314] Specific examples of the dye D are shown below. The following compounds F-1 to F-33 are pigments represented by the general formula (1).

[0315] [Chemical formula 25]

[0316]

[0317] [Chemical formula 26]

[0318]

[0319] [Chemical formula 27]

[0320]

[0321] The total content of the dyes A to D in the wavelength selective absorption filter of the present invention is not particularly limited as long as the effect of the present invention is exerted, but is preferably 0.01% by mass or more, more preferably 0.05% by mass or more, further preferably 0.10% by mass or more, particularly preferably 0.15% by mass or more, and particularly preferably 0.20% by mass or more. If the total content of the dyes A to D in the wavelength selective absorption filter is greater than the above-mentioned preferred lower limit, a good antireflection effect can be obtained.

[0322] Furthermore, the total content of the dyes A to D in the wavelength selective absorption filter of the present invention is usually 70% by mass or less, preferably 50% by mass or less, and more preferably 40% by mass or less.

[0323] The content of each of the dyes A to D that may be contained in the wavelength selective absorption filter of the present invention is preferably as follows.

[0324] The content of the dye A in the wavelength selective absorption filter of the present invention is preferably 0.01 to 45% by mass, more preferably 0.1 to 30% by mass.

[0325] The content of the dye B in the wavelength selective absorption filter of the present invention is preferably 0.01 to 45% by mass, more preferably 0.1 to 30% by mass.

[0326] The content of the dye C in the wavelength selective absorption filter of the present invention is preferably 0.01 to 30% by mass, more preferably 0.1 to 25% by mass.

[0327] The content of the dye D in the wavelength selective absorption filter of the present invention is preferably 0.01 to 45% by mass, more preferably 0.1 to 30% by mass.

[0328] When at least one of the dyes B to D is the built-in quencher dye, the content of the built-in quencher dye in the wavelength selective absorption filter of the present invention is preferably 0.1% by mass or more from the viewpoint of antireflection effect, and the upper limit is preferably 45% by mass or less.

[0329] <Resin>

[0330] The resin contained in the wavelength selective absorption filter of the present invention (hereinafter also referred to as "matrix resin") is not particularly limited as long as it can disperse (preferably dissolve) the above-mentioned dye and the association inhibitor described below, and can suppress the association of the dye by the association inhibitor to suppress the reduction of light resistance. It is preferably able to satisfy the requirements of suppressing external light reflection and suppressing the reduction of brightness, and can maintain the original color tone of the image of the display device (preferably self-luminous display device) at an excellent level.

[0331] In the case of containing a squaryl cyanine pigment represented by the general formula (1) as dye D, the above-mentioned base resin is preferably a low-polarity base resin that can make the squaryl cyanine pigment show sharper absorption. This is also the same when containing a squaryl cyanine pigment represented by the general formula (1) described in International Publication No. 2019 / 189463 as at least one of dyes B or C. By showing sharper absorption, the above-mentioned squaryl cyanine pigment can take into account both prevention of reflection and suppression of brightness reduction at an excellent level. Here, low polarity refers to the fd value defined by the following relationship α, which is preferably 0.50 or more.

[0332] Relational formula α: fd = δd / (δd+δp+δh)

[0333] In the relational expression α, δd, δp, and δh represent the term corresponding to the London dispersion force, the term corresponding to the dipole-dipole force, and the term corresponding to the hydrogen bonding force, respectively, relative to the solubility parameter δt calculated by the Hoy method. The specific calculation method will be described later. That is, fd represents the ratio of δd to the sum of δd, δp, and δh.

[0334] By setting the fd value to 0.50 or more, a sharper absorption waveform can be easily obtained.

[0335] Furthermore, when the wavelength selective absorption filter includes two or more types of matrix resins, the fd value is calculated as follows.

[0336] fd=∑(w i ·fd i )

[0337] Here, w i represents the mass fraction of the i-th matrix resin, fd i represents the fd value of the ith base resin.

[0338] -Term corresponding to London dispersion forceδd-

[0339] The term δd corresponding to the London dispersion force refers to the term δd in the literature “Properties of Polymers 3 rd The δd was calculated based on the description in the above column of "2) Method of Hoy (1985, 1989)" on pages 214 to 220 of "ELSEVIER, (1990)" and the Amorphous Polymers described in the above column.

[0340] -The term corresponding to the dipole-dipole force δp-

[0341] The term δp corresponding to the dipole-dipole force is referred to in the literature "Properties of Polymers 3 rd The δp was calculated based on the description in the above column of "2) Method of Hoy (1985, 1989)" on pages 214 to 220 of "ELSEVIER, (1990)" and the Amorphous Polymers described in the above column.

[0342] -Term corresponding to hydrogen bonding force δh-

[0343] The term δh corresponding to the hydrogen bond force refers to the reference "Properties of Polymers 3 rd The δh was calculated based on the description in the above column of "2) Method of Hoy (1985, 1989)" on pages 214 to 220 of "ELSEVIER, (1990)" and the Amorphous Polymers described in the above column.

[0344] Furthermore, if the matrix resin is a resin showing constant hydrophobicity, the water content of the wavelength selective absorption filter of the present invention can be set to a low water content of, for example, 0.5% or less, which is preferable from the viewpoint of improving the light resistance of the wavelength selective absorption filter of the present invention.

[0345] In addition, the resin may contain any conventional components in addition to the polymer. However, the fd of the matrix resin described above is a calculated value for the polymer constituting the matrix resin.

[0346] Preferred examples of the above-mentioned base resin include polystyrene resin and cyclic polyolefin resin from the viewpoint that the above-mentioned association inhibitor functions more effectively, and polystyrene resin is more preferred. Generally, the above-mentioned fd value of polystyrene resin is 0.45 to 0.60, and the above-mentioned fd value of cyclic polyolefin resin is 0.45 to 0.70. As described above, the fd value is preferably 0.50 or more.

[0347] Furthermore, for example, in addition to these preferred resins, it is also preferable to use a resin component that imparts functionality to the wavelength selective absorption filter, such as a stretchable resin component and a peelable control resin component, which will be described later. That is, in the present invention, the matrix resin is used to include a stretchable resin component and a peelable control resin component in addition to the above-mentioned resins.

[0348] From the viewpoint of sharpening the absorption waveform of the dye, the matrix resin preferably contains a polystyrene resin.

[0349] (Polystyrene resin)

[0350] The polystyrene contained in the above-mentioned polystyrene resin refers to a polymer containing a styrene component. The polystyrene preferably contains a styrene component of 50% by mass or more. The wavelength selective absorption filter of the present invention may contain one type of polystyrene or two or more types. Here, the styrene component refers to a structural unit derived from a monomer having a styrene skeleton in its structure.

[0351] From the viewpoint of controlling the photoelastic coefficient and hygroscopicity to values ​​within the range preferred for a wavelength selective absorption filter, the polystyrene preferably contains 70% by mass or more of a styrene component, and further preferably contains 85% by mass or more. Furthermore, the polystyrene is also preferably composed only of a styrene component.

[0352] As polystyrene composed only of styrene components, homopolymers of styrene compounds and copolymers of two or more styrene compounds can be cited. Here, the styrene compound refers to a compound having a styrene skeleton in its structure, and in addition to styrene, it also includes a compound in which a substituent is introduced within the range in which the ethylenically unsaturated bond of styrene can function as a reactive (polymerizable) group.

[0353] Specific examples of styrene compounds include styrene; alkyl styrenes such as α-methylstyrene, o-methylstyrene, m-methylstyrene, p-methylstyrene, 3,5-dimethylstyrene, 2,4-dimethylstyrene, o-ethylstyrene, p-ethylstyrene and tert-butylstyrene; substituted styrenes in which hydroxyl groups, alkoxy groups, carboxyl groups and halogen atoms are introduced into the benzene nucleus of styrenes such as hydroxystyrene, tert-butoxystyrene, vinylbenzoic acid, o-chlorostyrene and p-chlorostyrene, etc. Among them, the polystyrene is preferably a homopolymer of styrene (i.e., polystyrene) from the viewpoint of easy availability and material price.

[0354] Furthermore, there is no particular limitation on the structural components other than the styrene component that may be contained in the above-mentioned polystyrene. That is, the polystyrene may be a styrene-diene copolymer or a styrene-polymerizable unsaturated carboxylic acid ester copolymer, etc. Furthermore, a mixture of polystyrene and a synthetic rubber (for example, polybutadiene and polyisoprene) can also be used. Furthermore, a high-impact polystyrene (HIPS) obtained by graft polymerization of styrene and a synthetic rubber is also preferred. Furthermore, it is also preferred to disperse a rubber-like elastomer in a continuous phase of a polymer containing a styrene component (for example, a copolymer of a styrene component and a (meth)acrylate component), and to obtain a polystyrene by graft polymerization of the above-mentioned copolymer and the above-mentioned rubber-like elastomer (called a grafted high-impact polystyrene "grafted HIPS"). Furthermore, the so-called styrene-based elastomer can also be preferably used.

[0355] Furthermore, the polystyrene may be hydrogenated (may be hydrogenated polystyrene). The hydrogenated polystyrene is not particularly limited, but preferably includes hydrogenated styrene-butadiene-styrene block copolymers (SEBS) obtained by adding hydrogen to styrene-butadiene-styrene block copolymers (SBS) and hydrogenated styrene-isoprene-styrene block copolymers (SEPS) obtained by adding hydrogen to styrene-isoprene-styrene block copolymers (SIS). The hydrogenated polystyrene may be used alone or in combination of two or more.

[0356] The polystyrene may be a modified polystyrene. The modified polystyrene is not particularly limited, but may be a polystyrene into which a reactive group such as a polar group is introduced, and specifically, preferably, an acid-modified polystyrene such as a maleic acid-modified polystyrene and an epoxy-modified polystyrene are mentioned.

[0357] As the polystyrene, a plurality of types of polystyrenes having different compositions, molecular weights, etc. may be used in combination.

[0358] Polystyrene resins can be obtained by conventional methods such as anionic, bulk, suspension, emulsification or solution polymerization. In addition, in polystyrene, at least a portion of the unsaturated double bonds of the benzene ring of the conjugated diene and styrene monomers can be hydrogenated. The hydrogenation rate can be measured by a nuclear magnetic resonance device (NMR).

[0359] As the polystyrene resin, commercially available products can be used, for example, "CLEAREN 530L" and "CLEAREN 730L" manufactured by Denka Company Limited, "TUFPRENE 126S" and "ASAPRENET 411" manufactured by Asahi Kasei Corporation, "Clayton D1102A" and "Clayton D1116A" manufactured by Kraton Corporation, "Styrolux S" and "Styrolux T" manufactured by Styrolution, "ASAFLEX 840" and "ASAFLEX 860" (these are SBS) manufactured by Asahi Kasei Chemicals Corporation, "679", "HF77" and "SGP-10" manufactured by PS Japan Corporation, "DICSTYRENEX C-515" and "DICSTYRENEX C-535" (these are GPPS) manufactured by DIC Corporation, and "PS Japan "475D", "H0103", "HT478" manufactured by Asahi Kasei Chemicals Corporation, "DICSTYRENEGH-8300-5" manufactured by DIC Corporation (the above are HIPS), etc. As hydrogenated polystyrene resins, for example, "TUFTEC H series" manufactured by Asahi Kasei Chemicals Corporation, "Clayton G series" manufactured by Shell Japan Ltd. (the above are SEBS), "DYNARON" (hydrogenated styrene-butadiene random copolymer) manufactured by JSR Corporation, "SEPTON" (SEPS) manufactured by KURARAY CO., LTD., etc., etc., can be mentioned. And, as modified polystyrene resins, for example, "TUFTEC M series" manufactured by Asahi Kasei Chemicals Corporation, "EPOFRIEND" manufactured by Daicel Corporation, "polar group modified DYNARON" manufactured by JSR Corporation, "RESEDA" manufactured by TOAGOSEI CO., LTD., etc. can be mentioned.

[0360] The wavelength selective absorption filter of the present invention preferably contains polyphenylene ether resin in addition to the above-mentioned polystyrene resin. By containing both polystyrene resin and polyphenylene ether resin, the toughness of the wavelength selective absorption filter is improved, and the generation of defects such as cracks can be suppressed even in severe environments such as high temperature and high humidity.

[0361] As the polyphenylene ether resin, ZYLON S201A, ZYLON S202A, ZYLON S203A (all trade names) manufactured by Asahi Kasei Corporation, etc. can be preferably used. In addition, a resin obtained by premixing a polystyrene resin and a polyphenylene ether resin can be used. As a mixed resin of a polystyrene resin and a polyphenylene ether resin, for example, ZYLON 1002H, ZYLON 1000H, ZYLON 600H, ZYLON 500H, ZYLON 400H, ZYLON 300H, ZYLON 200H (all trade names) manufactured by Asahi Kasei Corporation, etc. can be preferably used.

[0362] In the wavelength selective absorption filter of the present invention, when polystyrene resin and polyphenylene ether resin are used together, the mass ratio of the two is preferably 99 / 1 to 50 / 50, more preferably 98 / 2 to 60 / 40, and further preferably 95 / 5 to 70 / 30 in terms of polystyrene resin / polyphenylene ether resin. By setting the mixing ratio of the polyphenylene ether resin within the above preferred range, the wavelength selective absorption filter has sufficient toughness, and when solution film formation is performed, the solvent can be appropriately volatilized.

[0363] (Cyclic polyolefin resin)

[0364] The cyclic olefin compound forming the cyclic polyolefin contained in the cyclic polyolefin resin is not particularly limited as long as it is a compound having a ring structure containing a carbon-carbon double bond, and examples thereof include norbornene compounds, monocyclic cyclic olefin compounds other than norbornene compounds, cyclic conjugated diene compounds, and vinyl alicyclic hydrocarbon compounds.

[0365] Examples of the cyclic polyolefin include (1) polymers containing structural units derived from norbornene compounds, (2) polymers containing structural units derived from monocyclic cyclic olefin compounds other than norbornene compounds, (3) polymers containing structural units derived from cyclic conjugated diene compounds, (4) polymers containing structural units derived from vinyl alicyclic hydrocarbon compounds, and hydrogenated products of polymers containing structural units derived from each of the compounds (1) to (4).

[0366] In the present invention, the polymer including a structural unit derived from a norbornene compound and the polymer including a structural unit derived from a monocyclic cyclic olefin compound include ring-opening polymers of the respective compounds.

[0367] The cyclic polyolefin is not particularly limited, but is preferably a polymer having a structural unit derived from a norbornene compound represented by the following general formula (A-II) or (A-III). The polymer having a structural unit represented by the following general formula (A-II) is an addition polymer of a norbornene compound, and the polymer having a structural unit represented by the following general formula (A-III) is a ring-opening polymer of a norbornene compound.

[0368] [Chemical formula 28]

[0369]

[0370] In the general formulae (A-II) and (A-III), m is an integer of 0 to 4, and preferably 0 or 1.

[0371] In the general formulas (A-II) and (A-III), R 3 ~R 6 Each independently represents a hydrogen atom or a hydrocarbon group having 1 to 10 carbon atoms.

[0372] The hydrocarbon group in general formulae (AI) to (A-III) is not particularly limited as long as it is a group containing carbon atoms and hydrogen atoms, and examples thereof include alkyl groups, alkenyl groups, alkynyl groups, and aryl groups (aromatic hydrocarbon groups). Among them, alkyl groups and aryl groups are preferred.

[0373] In the general formulas (A-II) and (A-III), X 2 and X 3 , Y 2 and Y 3 Each independently represents a hydrogen atom, a hydrocarbon group having 1 to 10 carbon atoms, a halogen atom, a hydrocarbon group having 1 to 10 carbon atoms substituted with a halogen atom, -(CH2) n COOR 11 、-(CH2) n OCOR 12 、-(CH2) n NCO, -(CH2) n NO2, -(CH2) n CN, -(CH2) n CONR 13 R 14 、-(CH2) n NR 13 R 14 、-(CH2) n OZ or -(CH2) n W, or X2 With Y 2 or X 3 With Y 3 Bonded to form (-CO)2O or (-CO)2NR 15 .

[0374] Here, R 11 ~R 15 Each independently represents a hydrogen atom or a hydrocarbon group having 1 to 20 carbon atoms, Z represents a hydrocarbon group or a hydrocarbon group substituted with a halogen, and W represents Si(R 16 ) p D （3-p) (R 16 represents a hydrocarbon group having 1 to 10 carbon atoms, D represents a halogen atom, -OCOR 17 OR 17 (R 17 is a hydrocarbon group having 1 to 10 carbon atoms). p is an integer of 0 to 3). n is an integer of 0 to 10, preferably 0 to 8, more preferably 0 to 6.

[0375] In the general formulae (A-II) and (A-III), R 3 ~R 6 A hydrogen atom or -CH 3 is preferred, and a hydrogen atom is more preferred from the viewpoint of moisture permeability.

[0376] X 2 and X 3 A hydrogen atom, -CH3 or -C2H5 is preferred, respectively. From the viewpoint of moisture permeability, a hydrogen atom is more preferred.

[0377] Y 2 and Y 3 Preferably, a hydrogen atom, a halogen atom (especially a chlorine atom) or -(CH2) n COOR i1 (especially, -COOCH3), and a hydrogen atom is more preferable from the viewpoint of moisture permeability.

[0378] Other groups may be appropriately selected.

[0379] The polymer having the structural unit represented by the general formula (A-II) or (A-III) may further include at least one structural unit represented by the following general formula (AI).

[0380] [Chemical formula 29]

[0381]

[0382] In the general formula (AI), R 1 and R 2 Each independently represents a hydrogen atom or a hydrocarbon group having 1 to 10 carbon atoms, and X1 and Y 1 Each independently represents a hydrogen atom, a hydrocarbon group having 1 to 10 carbon atoms, a halogen atom, a hydrocarbon group having 1 to 10 carbon atoms substituted with a halogen atom, -(CH2) n COOR 11 、-(CH2) n OCOR 12 、-(CH2) n NCO, -(CH2) n NO2, -(CH2) n CN, -(CH2) n CONR 13 R 14 、-(CH2) n NR 13 R 14 、-(CH2) n OZ, -(CH2) n W, or X 1 With Y 1 Bonded to each other, (-CO)2O or (-CO)2NR 15 .

[0383] Here, R 11 ~R 15 Each independently represents a hydrogen atom or a hydrocarbon group having 1 to 20 carbon atoms, Z represents a hydrocarbon group or a hydrocarbon group substituted with a halogen, and W represents Si(R 16 ) p D (3-p) (R 16 represents a hydrocarbon group having 1 to 10 carbon atoms, D represents a halogen atom, -OCOR 17 OR 17 (R 17 is a hydrocarbon group having 1 to 10 carbon atoms). p is an integer of 0 to 3). n is an integer of 0 to 10.

[0384] From the viewpoint of adhesion, the cyclic polyolefin having a structural unit represented by the general formula (A-II) or (A-III) preferably contains 90% by mass or less of the structural unit derived from the above-mentioned norbornene compound relative to the total mass of the cyclic polyolefin, more preferably 30 to 85% by mass, further preferably 50 to 79% by mass, and most preferably 60 to 75% by mass. Here, the ratio of the structural unit derived from the norbornene compound represents an average value in the cyclic polyolefin.

[0385] Addition (co)polymers of norbornene compounds are described in Japanese Unexamined Patent Publication No. 10-7732, Japanese Translation of National Publication No. 2002-504184, US Patent Publication No. 2004 / 229157A1, and International Publication No. 2004 / 070463.

[0386] The polymer of the norbornene compound is obtained by subjecting norbornene compounds (for example, polycyclic unsaturated compounds of norbornene) to addition polymerization.

[0387] Furthermore, as the polymer of the norbornene compound, there can be mentioned copolymers obtained by addition polymerization of the norbornene compound and olefins such as ethylene, propylene and butylene, conjugated dienes such as butadiene and isoprene, non-conjugated dienes such as ethylidene norbornene, and olefinic unsaturated compounds such as acrylonitrile, acrylic acid, methacrylic acid, maleic anhydride, acrylic acid ester, methacrylic acid ester, maleimide, vinyl acetate and vinyl chloride, as required. Among them, copolymers of the norbornene compound and propylene are preferred.

[0388] Examples of such addition (co)polymers of norbornene compounds include APL8008T (Tg 70°C), APL6011T (Tg 105°C), APL6013T (Tg 125°C), and APL6015T (Tg 145°C), which are sold under the trade name of Apel by Mitsui Chemicals, INC. and have different glass transition temperatures (Tg). In addition, pellets such as TOPAS8007, TOPAS6013, and TOPAS6015 are sold by Polyplastics Co., Ltd. In addition, Appear3000 is sold by Ferrania.

[0389] The polymer of the norbornene compound may be a commercially available product, for example, it is commercially available under the trade names of Arton G or Arton F from JSR Corporation, and it is commercially available under the trade names of Zeonor ZF14, ZF16, Zeonex 250, or Zeonex 280 from Zeon Corporation.

[0390] The hydrogenated polymer of the norbornene compound can be synthesized by subjecting the norbornene compound to addition polymerization or metathesis ring-opening polymerization and then hydrogenating. The synthesis method is described in, for example, Japanese Patent Laid-Open No. 1-240517, Japanese Patent Laid-Open No. 7-196736, Japanese Patent Laid-Open No. 60-26024, Japanese Patent Laid-Open No. 62-19801, Japanese Patent Laid-Open No. 2003-159767, and Japanese Patent Laid-Open No. 2004-309979.

[0391] The molecular weight of the cyclic polyolefin can be appropriately selected according to the purpose of use, but the mass average molecular weight of polyisoprene or polystyrene converted by cyclohexane solution (toluene solution when the polymer is not dissolved) measured by gel permeation chromatography is usually in the range of 5000 to 500000, preferably 8000 to 200000, and more preferably 10000 to 100000. The polymer having a molecular weight in the above range can achieve both mechanical strength and molding processability of the molded body at a high level and in a balanced manner.

[0392] The wavelength selective absorption filter of the present invention preferably contains 5% by mass or more of the matrix resin, more preferably 20% by mass or more, further preferably 50% by mass or more, and particularly preferably 60% by mass or more.

[0393] The content of the matrix resin in the wavelength selective absorption filter of the present invention is usually 99.90% by mass or less, and preferably 99.85% by mass or less.

[0394] The wavelength selective absorption filter of the present invention may contain two or more cyclic polyolefins, and polymers having different component ratios and molecular weights may be used in combination. In this case, the total content of each polymer is within the above range.

[0395] (Elongation resin component)

[0396] The wavelength selective absorption filter of the present invention can appropriately select a component showing elongation (also referred to as an elongation resin component) as a resin component. Specifically, acrylonitrile-butadiene-styrene resin (ABS resin), styrene-butadiene resin (SB resin), isoprene resin, butadiene resin, polyether-urethane resin and silicone resin can be cited. In addition, these resins can be further appropriately hydrogenated.

[0397] As the elongation resin component, ABS resin or SB resin is preferably used, and SB resin is more preferably used.

[0398] As the SB resin, for example, commercially available resins can be used. Examples of such commercial products include TR2000, TR2003, and TR2250 (these are trade names, manufactured by JSR Corporation), CLEAREN 210M, 220M, and 730V (these are trade names, manufactured by Denka Company Limited), ASAFLEX 800S, 805, 810, 825, 830, and 840 (these are trade names, manufactured by Asahi Kasei Corporation), and Eporex SB2400, SB2610, and SB2710 (these are trade names, manufactured by Sumitomo Chemical Co., Ltd.).

[0399] When a sample having a thickness of 30 μm and a width of 10 mm is prepared using the elongation resin component alone and its elongation at break at 25° C. is measured according to JIS 7127, the elongation at break is preferably 10% or more, more preferably 20% or more.

[0400] (Releasability Control Resin Component)

[0401] Regarding the wavelength selective absorption filter of the present invention, when it is manufactured by a method including a step of peeling the wavelength selective absorption filter from a peeling film in the later-described method for manufacturing the wavelength selective absorption filter of the present invention, it is preferable that a component that controls peelability (peelability controlling resin component) is included as a resin component. By controlling the peelability of the wavelength selective absorption filter from the peeling film, it is possible to prevent peeling marks from being left on the wavelength selective absorption filter after peeling, and it is possible to cope with various processing speeds in the peeling process. As a result, it is possible to obtain a preferred effect in terms of improving the quality and productivity of the wavelength selective absorption filter.

[0402] The above-mentioned peelability control resin component is not particularly limited and can be appropriately selected according to the type of peeling film. As described later, when a polyester polymer film is used as the peeling film, the peelability control resin component is preferably, for example, a polyester resin (also referred to as a polyester additive), and when a cellulose polymer film is used as the peeling film, the peelability control resin component is preferably, for example, a polystyrene elastomer.

[0403] Furthermore, when a polyester polymer film is used as the release film, for example, a styrene elastomer can also be preferably used as the release control resin component.

[0404] The polyester additive can be obtained by a conventional method such as a dehydration condensation reaction of a polybasic acid and a polyol, and a dehydration condensation reaction of adding a dibasic acid anhydride to a polyol. Preferably, the polyester additive is a polycondensation ester formed from a dibasic acid and a diol.

[0405] The mass average molecular weight (Mw) of the polyester-based additive is preferably 500 to 50,000, more preferably 750 to 40,000, and even more preferably 2,000 to 30,000.

[0406] When the mass average molecular weight of the polyester additive is equal to or higher than the preferred lower limit, it is preferred from the viewpoint of brittleness and moist heat resistance, and when it is equal to or lower than the preferred upper limit, it is preferred from the viewpoint of compatibility with the resin.

[0407] The mass average molecular weight of the polyester additive is the value of the mass average molecular weight (Mw) measured under the following conditions in terms of standard polystyrene. The molecular weight distribution (Mw / Mn) can also be measured under the same conditions. In addition, Mn is the number average molecular weight in terms of standard polystyrene.

[0408] GPC: Gel permeation chromatography apparatus (HLC-8220GPC manufactured by Tosoh Corporation,

[0409] Column: HXL-H, TSK gel G7000HXL, 2 TSKgel GMHXL, TSK gel G2000HXL,

[0410] Eluent: tetrahydrofuran,

[0411] Flow rate: 1mL / min,

[0412] Sample concentration: 0.7-0.8% by mass,

[0413] Sample injection volume: 70μL,

[0414] Measuring temperature: 40℃,

[0415] Detector: Differential refractometer (RI) (40°C),

[0416] Standard material; TSK standard polystyrene manufactured by Tosoh Corporation)

[0417] As the dibasic acid component constituting the polyester-based additive, preferably, dicarboxylic acid is used.

[0418] Examples of the dicarboxylic acid include aliphatic dicarboxylic acids and aromatic dicarboxylic acids, and aromatic dicarboxylic acids or a mixture of aromatic dicarboxylic acids and aliphatic dicarboxylic acids can be preferably used.

[0419] Among the aromatic dicarboxylic acids, those having 8 to 20 carbon atoms are preferred, and those having 8 to 14 carbon atoms are more preferred. Specifically, at least one of phthalic acid, isophthalic acid, and terephthalic acid is preferably used.

[0420] Among aliphatic dicarboxylic acids, those having 3 to 8 carbon atoms are preferred, and those having 4 to 6 carbon atoms are more preferred. Specifically, at least one of succinic acid, maleic acid, adipic acid and glutaric acid is preferred, and at least one of succinic acid and adipic acid is more preferred.

[0421] Furthermore, examples of the diol component constituting the polyester-based additive include aliphatic diols and aromatic diols, and aliphatic diols are preferred.

[0422] Among aliphatic diols, aliphatic diols having 2 to 4 carbon atoms are preferred, and aliphatic diols having 2 to 3 carbon atoms are more preferred.

[0423] Examples of the aliphatic diol include ethylene glycol, diethylene glycol, 1,2-propylene glycol, 1,3-propylene glycol, 1,3-butylene glycol, and 1,4-butylene glycol. These can be used alone or in combination of two or more.

[0424] The polyester-based additive is particularly preferably a compound obtained by condensing at least one of phthalic acid, isophthalic acid, and terephthalic acid with an aliphatic diol.

[0425] The terminal of the polyester additive can be sealed by reacting with a monocarboxylic acid. The monocarboxylic acid used for sealing is preferably an aliphatic monocarboxylic acid, and preferably acetic acid, propionic acid, butyric acid, benzoic acid and derivatives thereof are mentioned, more preferably acetic acid or propionic acid, and further preferably acetic acid.

[0426] Examples of commercially available polyester additives include ester resins manufactured by The Nippon Synthetic Chemical Industry Co., Ltd. (e.g., LP050, TP290, LP035, LP033, TP217, TP220), and ester resins BYRON manufactured by TOYOBO CO., LTD. (e.g., BYRON245, BYRONGK890, BYRON103, BYRON200, BYRON550.GK880).

[0427] As the above-mentioned polystyrene elastomer, there is no particular limitation and it can be appropriately selected according to the purpose. For example, styrene-butadiene-styrene block copolymer (SBS), styrene-isoprene-styrene block copolymer (SIS), polystyrene-poly (ethylene-propylene) diblock copolymer (SEP), polystyrene-poly (ethylene-propylene)-polystyrene triblock copolymer (SEPS) (hydrogenated type of SIS), polystyrene-poly (ethylene-butylene)-polystyrene triblock copolymer (SEBS) (hydrogenated type of SBS), polystyrene-poly (ethylene-ethylene-propylene)-polystyrene triblock copolymer (SEEPS), etc., preferably polystyrene-poly (ethylene-propylene) diblock copolymer, polystyrene-poly (ethylene-propylene)-polystyrene triblock copolymer, polystyrene-poly (ethylene-butylene)-polystyrene triblock copolymer or polystyrene-poly (ethylene-ethylene-propylene)-polystyrene triblock copolymer.

[0428] The content of the repeating units derived from styrene in the polystyrene elastomer is preferably 90% by mass or less, more preferably 55% by mass or less, further preferably 48% by mass or less, further preferably 35% by mass or less, and further preferably 33% by mass or less. The lower limit of the ratio of the repeating units derived from styrene may be greater than 0% by mass, and may be 10% by mass or more.

[0429] The polystyrene elastomer is preferably a block copolymer of styrene and other monomers, more preferably a block copolymer with a styrene block at one end or both ends, and more preferably a styrene block at both ends. By setting the two ends of the polystyrene elastomer to styrene blocks (repeating units derived from styrene), heat resistance tends to be further improved. This is because the repeating units derived from styrene with high heat resistance are present at the ends. In particular, the block sites of the repeating units derived from styrene are reactive polystyrene rigid blocks, and heat resistance tends to be more excellent, and is also more preferred from the viewpoint of solubility in solvents.

[0430] Furthermore, when the polystyrene elastomer is a hydrogenated product, the thermal stability is improved and it is less likely to cause decomposition, polymerization, or other changes in quality. Furthermore, it is more preferred from the viewpoint of solubility in solvents.

[0431] The amount of unsaturated double bonds in the polystyrene elastomer is preferably less than 15 mmol, more preferably less than 5 mmol, and further preferably less than 0.5 mmol per 1 g of the polystyrene elastomer from the viewpoint of peelability. In addition, the amount of unsaturated double bonds mentioned here does not include the amount of unsaturated double bonds in the benzene ring derived from styrene. The amount of unsaturated double bonds can be calculated by NMR (nuclear magnetic resonance) measurement.

[0432] In the present invention, "repeating units derived from styrene" refer to structural units derived from styrene contained in a polymer when styrene or a styrene derivative is polymerized, and may have a substituent. Examples of styrene derivatives include α-methylstyrene, 3-methylstyrene, 4-propylstyrene, 4-cyclohexylstyrene, and the like. Examples of substituents include alkyl groups having 1 to 5 carbon atoms, alkoxy groups having 1 to 5 carbon atoms, alkoxyalkyl groups having 2 to 5 carbon atoms, acetoxy groups, and carboxyl groups.

[0433] As a commercially available product of the polystyrene-based elastomer, for example, the polystyrene-based elastomer described in paragraph 0027 of JP-A-2018-35279 can be used.

[0434] The content of the peelability control resin component in the wavelength selective absorption filter of the present invention is preferably 0.05% by mass or more, more preferably 0.1% by mass or more in the matrix resin. In addition, the upper limit is preferably 25% by mass or less, more preferably 20% by mass or less, and further preferably 15% by mass or less. From the viewpoint of obtaining appropriate adhesion, the above preferred range is preferred.

[0435] <Association Inhibitors>

[0436] The wavelength selective absorption filter of the present invention contains a compound having a polar group (also referred to as an "association inhibitor" in the present invention).

[0437] In the present invention, the association inhibitor has at least one polar group selected from carboxylic acid ester bond, carboxylic acid amide bond, sulfonic acid amide bond, carbamate bond and sulfonyl bond (>S(=O)2). These polar groups are contained in the compound as divalent substituents (bonds).

[0438] The above-mentioned association inhibitor is a compound that inhibits or prevents the association of dye molecules in the wavelength selective absorption filter of the present invention by interacting with the above-mentioned dye, thereby sharpening the absorption waveform of the dye A or D contained in the wavelength selective absorption filter and exhibiting the function of improving light resistance.

[0439] The above-mentioned association inhibitor is different from the above-mentioned dye and is a compound that does not substantially develop color when contained in the wavelength selective absorption filter of the present invention.

[0440] Furthermore, the association inhibitor is a compound that exhibits a function of inhibiting the association of dye molecules with respect to the dye A or D dispersed or dissolved in the resin in the wavelength selective absorption filter of the present invention, and is different from the resin. That is, the molecular weight of the association inhibitor is 1000 or less, preferably 100 to 1000, more preferably 200 to 1000, and further preferably 200 to 900.

[0441] Furthermore, the above-mentioned association inhibitor is not a compound that functions as an anti-fading agent described later.

[0442] Furthermore, from the viewpoint of uniform dispersion in the filter, the association inhibitor preferably does not have a fluorinated alkyl group.

[0443] The above-mentioned association inhibitor can have at least one of a carboxylate bond, a carboxylic acid amide bond, a sulfonic acid amide bond, a carbamate bond and a sulfonyl bond, and can have two or more. There is no particular restriction on the upper limit of the total number of polar groups, but for example, it is preferably 10 or less, and more preferably 6 or less.

[0444] The type of polar group contained in the above-mentioned association inhibitor is not particularly limited, and may be one or more than one, but is preferably one or two, and more preferably one. In addition, regarding the type of polar group, a polar group classified as a carboxylate bond is counted as one, a polar group classified as a carboxylic acid amide bond is counted as one, a polar group classified as a sulfonic acid amide bond is counted as one, a polar group classified as a carbamate bond is counted as one, and a polar group classified as a sulfonyl bond is counted as one.

[0445] The above-mentioned association inhibitor preferably has a carboxylate bond or a carboxylic acid amide bond.

[0446] As the above-mentioned association inhibitor, a compound represented by any one of the following general formulas (2) to (14) and (18) is preferred. In addition, in the case of having two or more polar groups selected from carboxylic acid ester bonds, carboxylic acid amide bonds, sulfonic acid amide bonds, carbamate bonds and sulfonyl bonds, the compounds are classified into various formulas according to the polar groups with the highest priority. The priority of the polar groups here is carboxylic acid amide bond> carboxylic acid ester bond> sulfonic acid amide bond> sulfonyl bond> carbamate bond from the highest priority. For example, in the case of having carboxylic acid amide bonds and sulfonic acid amide bonds, the compounds are classified according to the carboxylic acid amide bond which is the polar group with the highest priority.

[0447] The compound represented by the following general formula (2) or (3) is a compound having a structure in which at least one of a carboxylic acid ester bond or a carboxylic acid amide bond is directly bonded to a ring structure. However, when it is also equivalent to a compound represented by general formula (18), it is classified as a compound represented by general formula (18).

[0448] The compound represented by any one of the general formulae (4) to (12) described below is a compound having at least one of a carboxylic acid ester bond, a carboxylic acid amide bond, or a carbamate bond. However, when it is also equivalent to a compound represented by the general formula (2) or (3), it is classified as a compound represented by the general formula (2) or (3).

[0449] The compound represented by the general formula (13) described later is a compound having a sulfonic acid amide bond.

[0450] The compound represented by the general formula (14) described later is a compound having a sulfonyl bond.

[0451] The compound represented by the general formula (18) described later is a compound having a carboxylic acid amide bond.

[0452] Hereinafter, each general formula will be described in sequence.

[0453] (Compound represented by general formula (2) or (3), compound represented by any one of general formulas (4) to (12))

[0454] [Chemical formula 30]

[0455]

[0456] In the above general formulae (2) and (3), Z represents a carbon atom, an oxygen atom, a sulfur atom or >NR 25 , R 25 represents a hydrogen atom or an alkyl group. 21 and Y 22 represents an acyloxy group, an alkoxycarbonyl group, an amide group or a carbamoyl group. m is an integer of 1 to 5, and n is an integer of 1 to 6.

[0457] Z represents a carbon atom, an oxygen atom, a sulfur atom or >NR 25 .

[0458] The 5- or 6-membered ring having Z as a ring-constituting atom may have a substituent. The substituent that the 5- or 6-membered ring having Z as a ring-constituting atom may have is not particularly limited, and examples thereof include ketooxy (=O) and thioketo (=S).

[0459] When a 5- or 6-membered ring having Z as a ring-constituting atom has a plurality of substituents, adjacent substituents may be bonded to each other to form a ring. The ring formed by the adjacent substituents bonding to each other may be an aromatic ring or a non-aromatic ring.

[0460] Examples of 5- or 6-membered rings having Z as a ring-constituting atom include tetrahydrofuran, tetrahydropyran, tetrahydrothiophene, thiacyclohexane, pyrrolidine, piperidine, etc. Furthermore, when a 5- or 6-membered ring having Z as a ring-constituting atom is condensed, examples of the condensed ring structure include indoline, isoindoline, chroman, isochroman, etc.

[0461] Furthermore, the 5- or 6-membered ring having Z as a ring-constituting atom may be a lactone structure or a lactam structure, that is, a cyclic ester or cyclic amide structure in which the ring-constituting carbon atom bonded to Z is substituted with a ketooxy group (=O). Examples of such cyclic ester or cyclic amide structures include lactones such as tetrahydro-2-furan (also called 5-valerolactone) and tetrahydro-2-pyrone (also called 6-caprolactone), and lactams such as 4-butyrolactam (also called 2-pyrrolidone) and 5-valerolactam (also called 2-piperidone).

[0462] R 25 represents a hydrogen atom or an alkyl group.

[0463] Can be used as R 25 The alkyl group may be linear, branched or cyclic, and preferably has 1 to 20 carbon atoms, more preferably 1 to 16 carbon atoms, and further preferably 1 to 12 carbon atoms.

[0464] As can be used as R 25 Examples of the alkyl group include methyl, ethyl, n-propyl, isopropyl, n-butyl, isobutyl, sec-butyl, tert-butyl, n-pentyl, tert-pentyl, n-hexyl, n-octyl, decyl, dodecyl, eicosyl, 2-ethylhexyl, cyclopentyl, cyclohexyl, cycloheptyl, 2,6-dimethylcyclohexyl, 4-tert-butylcyclohexyl, cyclopentyl, 1-adamantyl, 2-adamantyl, and bicyclo[2.2.2]octan-3-yl.

[0465] Y 21 and Y 22 represents an acyloxy group, an alkoxycarbonyl group, an amide group or a carbamoyl group.

[0466] As can be used as Y 21 or Y 22 The acyloxy group preferably has 1 to 20 carbon atoms, more preferably 1 to 16, and further preferably 1 to 12. For example, there can be mentioned an acetyloxy group, an ethylcarbonyloxy group, a propylcarbonyloxy group, an n-butylcarbonyloxy group, an isobutylcarbonyloxy group, a tert-butylcarbonyloxy group, a sec-butylcarbonyloxy group, an n-pentylcarbonyloxy group, a tert-pentylcarbonyloxy group, an n-hexylcarbonyloxy group, a cyclohexylcarbonyloxy group, a 1-ethylpentylcarbonyloxy group, an n-heptylcarbonyloxy group, an n-nonylcarbonyloxy group, an n-undecylcarbonyloxy group, a benzylcarbonyloxy group, a 1-naphthylcarbonyloxy group, a 2-naphthylcarbonyloxy group, and a 1-adamantanecarbonyloxy group.

[0467] As can be used as Y 21 or Y 22The alkoxycarbonyl group preferably has 1 to 20 carbon atoms, more preferably 1 to 16 carbon atoms, and further preferably 1 to 12 carbon atoms. For example, there can be mentioned a methoxycarbonyl group, an ethoxycarbonyl group, an n-propoxycarbonyl group, an isopropoxycarbonyl group, an n-butoxycarbonyl group, a tert-butoxycarbonyl group, an isobutoxycarbonyl group, a sec-butoxycarbonyl group, an n-pentyloxycarbonyl group, a tert-pentyloxycarbonyl group, an n-hexyloxycarbonyl group, a cyclohexyloxycarbonyl group, a 2-ethylhexyloxycarbonyl group, a 1-ethylpropoxycarbonyl group, an n-octyloxycarbonyl group, a 3,7-dimethyl-3-octyloxycarbonyl group, a 3,5,5-trimethylhexyloxycarbonyl group, a 4-tert-butylcyclohexyloxycarbonyl group, a 2,4-dimethylpentyl-3-oxycarbonyl group, a 1-adamantyloxycarbonyl group, a 2-adamantyloxycarbonyl group, a dicyclopentadienyloxycarbonyl group, an n-decyloxycarbonyl group, an n-dodecyloxycarbonyl group, an n-tetradecyloxycarbonyl group, an n-hexadecyloxycarbonyl group, and the like.

[0468] As can be used as Y 21 or Y 22 The amide group (acylamino group) preferably has 1 to 20 carbon atoms, more preferably 1 to 16, and further preferably 1 to 12. For example, acetamide, ethylformamide, n-propylformamide, isopropylformamide, n-butylformamide, tert-butylformamide, isobutylformamide, sec-butylformamide, n-pentylformamide, tert-pentylformamide, n-hexylformamide, cyclohexylformamide, 1-ethylpentylformamide, 1-ethylpropylformamide, n-heptylformamide, n-octylformamide, 1-adamantanecarboxamide, 2-adamantanecarboxamide, n-nonylformamide, n-dodecylformamide, n-pentacarboxamide, n-hexadecylformamide and the like can be mentioned.

[0469] As can be used as Y 21 or Y 22 The carbamoyl group preferably has 1 to 20 carbon atoms, more preferably 1 to 16 carbon atoms, and further preferably 1 to 12 carbon atoms. For example, there can be mentioned a methylcarbamoyl group, a dimethylcarbamoyl group, an ethylcarbamoyl group, a diethylcarbamoyl group, an n-propylcarbamoyl group, an isopropylcarbamoyl group, an n-butylcarbamoyl group, a tert-butylcarbamoyl group, an isobutylcarbamoyl group, a sec-butylcarbamoyl group, an n-pentylcarbamoyl group, a tert-pentylcarbamoyl group, an n-hexylcarbamoyl group, a cyclohexylcarbamoyl group, a 2-ethylhexylcarbamoyl group, a 2-ethylbutylcarbamoyl group, a tert-octylcarbamoyl group, an n-heptylcarbamoyl group, an n-octylcarbamoyl group, a 1-adamantylcarbamoyl group, a 2-adamantylcarbamoyl group, an n-decylcarbamoyl group, an n-dodecylcarbamoyl group, an n-tetradecylcarbamoyl group, an n-hexadecylcarbamoyl group, and the like.

[0470] In the case of having more than 2 Y 21 or 2 or more Y 22 In the case of adjacent Y 21 Can be linked to form a ring, adjacent Y22 They can be connected to each other to form a ring.

[0471] [Chemical formula 31]

[0472]

[0473] In the above general formulas (4) to (12), Y 31 ~Y 70 represents an acyloxy group, an alkoxycarbonyl group, an amide group, a carbamoyl group or a carbamoyloxy group, V 31 ~V 43 represents a hydrogen atom or an aliphatic group. 31 ~L 64 and L 66 ~L 80 represents a divalent saturated linking group having 0 to 40 atoms and 0 to 20 carbon atoms. 31 ~L 64 and L 66 ~L 80 The atomic number 0 means that the 31 ~L 64 and L 66 ~L 80 The groups at both ends of the linking group represented are directly bonded via a single bond.

[0474] Y 31 ~Y 70 represents an acyloxy group, an alkoxycarbonyl group, an amide group, a carbamoyl group or a carbamoyloxy group.

[0475] As can be used as Y 31 ~Y 70 The acyloxy, alkoxycarbonyl, amide and carbamoyl groups can be used as Y in the above general formula (2) or (3). 21 or Y 22 The description of acyloxy, alkoxycarbonyl, amide and carbamoyl.

[0476] As can be used as Y 31 ~Y 70 The carbamoyl part of the carbamoyloxy group can be used as Y in the above general formula (2) or (3) 21 or Y 22 No record of carbamoyl group.

[0477] V 31 ~V 43 represents a hydrogen atom or an aliphatic group.

[0478] Can be used as V 31 ~V 43The aliphatic group preferably has 1 to 20 carbon atoms, more preferably 1 to 16 carbon atoms, and further preferably 1 to 12 carbon atoms.

[0479] Here, the aliphatic group is preferably an aliphatic hydrocarbon group, which may be in the form of a chain, a branched chain, or a ring, and is more preferably an alkyl group, an alkenyl group, or an alkynyl group.

[0480] Examples of the alkyl group include methyl, ethyl, n-propyl, isopropyl, n-butyl, isobutyl, sec-butyl, tert-butyl, n-pentyl, tert-pentyl, n-hexyl, n-octyl, decyl, dodecyl, eicosyl, 2-ethylhexyl, cyclopentyl, cyclohexyl, cycloheptyl, 2,6-dimethylcyclohexyl, 4-tert-butylcyclohexyl, cyclopentyl, 1-adamantyl, 2-adamantyl, bicyclo[2.2.2]octan-3-yl, and the like; examples of the alkenyl group include vinyl, allyl, prenyl, geranyl, oleyl, 2-cyclopenten-1-yl, 2-cyclohexen-1-yl, and the like; and examples of the alkynyl group include ethynyl and propargyl.

[0481] L 31 ~L 64 and L 66 ~L 80 represents a divalent saturated linking group having 0 to 40 atoms and 0 to 20 carbon atoms. 31 ~L 64 and L 66 ~L 80 The atomic number 0 means that the 31 ~L 80 The groups at both ends of the linking group represented are directly bonded via a single bond.

[0482] As can be used as L 31 ~L 64 and L 66 ~L 80Preferred examples of the above-mentioned divalent saturated linking group include alkylene groups (for example, methylene, ethylene, propylene, trimethylene, tetramethylene, pentamethylene, hexamethylene, methylethylene, ethylethylene, etc., but cycloalkylene is excluded), cyclic divalent groups (for example, cis-1,4-cyclohexylene, trans-1,4-cyclohexylene, 1,3-cyclopentylene, etc.), ether bonds (-O-), thioether bonds (-S-), ester bonds (-C(=O)O- or -CO(=O)-), amide bonds (-C(=O)NH- or -NHC(=O)-), sulfenyl bonds (-S(=O)-), sulfonyl bonds (-S(=O)2-), sulfonamide bonds (-NHS(=O)2- or -S(=O)2NH-), urea bonds (-NHC(=O)NH-) or thiourea bonds (-NHS(=O)NH-). Two or more of these divalent groups can be bonded to each other to form a divalent composite group. Examples of composite substituents include -(CH2)2O(CH2)2-, -(CH2)2O(CH2)2O(CH2)-, -(CH2)2S(CH2)2- or -(CH2)2O2C(CH2)2-.

[0483] Preferred examples of the compound represented by any of the general formulae (4) to (12) include citrate esters (e.g., triethyl O-acetyl citrate, tributyl O-acetyl citrate, triethyl acetyl citrate, tributyl acetyl citrate, tri(ethoxycarbonylmethylene) O-acetyl citrate, etc.), oleate esters (e.g., ethyl oleate, butyl oleate, 2-ethylhexyl oleate, phenyl oleate, cyclohexyl oleate, octyl oleate, etc.), ricinoleate esters (e.g., methylacetyl ricinoleate, etc.), sebacic acid esters (e.g., dibutyl sebacic acid, etc.), glycerol carboxylate esters (e.g., triacetin, tributyrin, etc.), Glycolic acid esters (e.g., butyl phthaloyl butyl glycolate, ethyl phthaloyl ethyl glycolate, methyl phthaloyl ethyl glycolate, butyl phthaloyl butyl glycolate, methyl phthaloyl methyl glycolate, propyl phthaloyl propyl glycolate, butyl phthaloyl butyl glycolate, octyl phthaloyl octyl glycolate, etc.), pentaerythritol carboxylates (e.g., pentaerythritol tetraacetate, pentaerythritol tetrabutyrate, etc.), dipentaerythritol carboxylates (e.g., dipentaerythritol hexaacetate, dipentaerythritol hexabutyrate, dipentaerythritol tetraacetate, etc.), trimethylolpropane carboxylates (trimethylolpropane triacetate, trimethylolpropane diacetate monopropionate, trimethylolpropane tripropionate, trimethylolpropane tributyrate, trimethylolpropane triprivate, trimethylolpropane tri(tert-butyl acetate), trimethylolpropane di(2-ethylhexanoate), trimethylolpropane tetra(2-ethylhexanoate), trimethylolpropane diacetate monooctanoate, trimethylolpropane trioctanoate, trimethylolpropane tri(cyclohexanecarboxylate), etc.), glycerides described in Japanese Patent Application Laid-Open No. 11-246704, diglycerol described in Japanese Patent Application Laid-Open No. 2000-63560 Esters, citrate esters described in Japanese Patent Application Laid-Open No. 11-92574, pyrrolidone carboxylic acid esters (methyl 2-pyrrolidone-5-carboxylate, ethyl 2-pyrrolidone-5-carboxylate, butyl 2-pyrrolidone-5-carboxylate, 2-ethylhexyl 2-pyrrolidone-5-carboxylate), cyclohexanedicarboxylic acid esters (cis-1,2-cyclohexanedicarboxylic acid dibutyl ester, trans-1,2-cyclohexanedicarboxylic acid dibutyl ester, cis-1,4-cyclohexanedicarboxylic acid dibutyl ester, trans-1,4-cyclohexanedicarboxylic acid dibutyl ester, etc.), xylitol carboxylic acid esters (xylitol pentaacetate, xylitol tetraacetate, xylitol hexapropionate, etc.), etc.

[0484] Preferred examples of the compound represented by any of the general formulae (2) to (14) are shown below, but the present invention is not limited to these specific examples.

[0485] In the present invention, in the chemical structures described as specific examples, Me represents a methyl group, t-Bu represents a tert-butyl group, and Pr i represents isopropyl and n- represents normal.

[0486] [Chemical formula 32]

[0487]

[0488] [Chemical formula 33]

[0489]

[0490] [Chemical formula 34]

[0491]

[0492] [Chemical formula 35]

[0493]

[0494] [Chemical formula 36]

[0495]

[0496] (Compound represented by general formula (13) or (14))

[0497] [Chemical formula 37]

[0498] General formula (13)

[0499]

[0500] In the above formula, R 1 represents an alkyl or aryl group, R 2 and R 3 represents a hydrogen atom, an alkyl group or an aryl group. 1 , R 2 and R 3 The total number of carbon atoms is 10 or more.

[0501] [Chemical formula 38]

[0502] General formula (14)

[0503]

[0504] In the formula, R 4 and R 5 represents an alkyl group or an aryl group. 4 and R 5 The total number of carbon atoms is 10 or more.

[0505] Can be used as R 1 ~R 5The alkyl group may be linear, branched or cyclic, and preferably has 1 to 25 carbon atoms, more preferably 6 to 25, and further preferably 6 to 20. For example, methyl, ethyl, propyl, isopropyl, butyl, isobutyl, tert-butyl, pentyl, isopentyl, tert-pentyl, hexyl, cyclohexyl, heptyl, octyl, bicyclooctyl, nonyl, adamantyl, decyl, tert-octyl, undecyl, dodecyl, tridecyl, tetradecyl, pentadecyl, hexadecyl, heptadecyl, octadecyl, nonadecyl and didecyl can be mentioned.

[0506] Can be used as R 1 ~R 5 The number of carbon atoms of the aryl group is preferably 6 to 30, more preferably 6 to 24. Examples thereof include phenyl, biphenyl, terphenyl, naphthyl, binaphthyl, and triphenylphenyl.

[0507] Can be used as R 1 ~R 5 The alkyl and aryl groups may have a substituent. As the substituent that may be present, preferably, a halogen atom (fluorine atom, chlorine atom, etc.), an alkyl group, an aryl group, an alkoxy group, an aryloxy group, an acyl group, an arylcarbonyl group, an alkoxycarbonyl group, a sulfonyl group, a sulfonamide group, an amino group, a hydroxyl group or a cyano group may be mentioned. Furthermore, preferably, a substituent formed by combining two or more of these substituents may be mentioned.

[0508] As can be used as R 1 ~R 5 The alkyl group and the aryl group may have a substituent, and an alkyl group, an aryl group, an alkoxy group, a sulfone group or a sulfonamide group is more preferable.

[0509] R 1 ~R 3 The total number of carbon atoms is 10 or more, preferably 10-40, more preferably 12-30.

[0510] R 4 and R 5 The total number of carbon atoms is 10 or more, preferably 10-40, more preferably 12-30.

[0511] Preferred examples of the compounds represented by the general formula (13) or (14) are shown below, but the present invention is not limited to these specific examples. However, compound A-49 and compound B-25 are preferred examples of compounds having an alkoxycarbonyl group on a benzene ring described later.

[0512] [Chemical formula 39]

[0513]

[0514] [Chemical formula 40]

[0515]

[0516] [Chemical formula 41]

[0517]

[0518] [Chemical formula 42]

[0519]

[0520] [Chemical formula 43]

[0521]

[0522] (Compound represented by general formula (18))

[0523] [Chemical formula 44]

[0524] General formula (18)

[0525]

[0526] In the above formula, R 1 represents an alkyl group or an aryl group. 2 and R 3 represents a hydrogen atom, an alkyl group or an aryl group, and preferably an alkyl group or an aryl group.

[0527] Can be used as R 1 ~R 3 The alkyl group may be linear, branched or cyclic, and preferably has 1 to 20 carbon atoms, more preferably 1 to 15, and further preferably 1 to 12. Examples of the cyclic alkyl group include cyclopentyl, cyclohexyl and adamantyl, and cyclohexyl is particularly preferred.

[0528] Can be used as R 1 ~R 3 The number of carbon atoms of the aryl group is preferably 6 to 36, more preferably 6 to 24. Among them, phenyl or naphthyl is preferred, and phenyl is more preferred.

[0529] Can be used as R 1 ~R 3 The alkyl and aryl groups may have a substituent, and as the substituent, a halogen atom (for example, a chlorine atom, a bromine atom, a fluorine atom and an iodine atom), an alkyl group, an aryl, an alkoxy group, an aryloxy group, an acyl group, an alkoxycarbonyl group, an aryloxycarbonyl group, an acyloxy group, a sulfonylamino group, a hydroxyl group, a cyano group, an amino group, a carbamoyl group or an acylamino group is preferred; a halogen atom, an alkyl group, an aryl, an alkoxy group, an aryloxy group, a sulfonylamino group, a carbamoyl group or an acylamino group is more preferred; an alkyl group, an aryl, a sulfonylamino group or an acylamino group is further preferred.

[0530] In addition, it can be used as R 1 ~R 3The substituents that the alkyl and aryl groups may have may be further substituted with substituents. As the substituents that may be further possessed, the substituents that can be used as the above R 1 ~R 3 As for the substituent which the alkyl group and the aryl group may have, for example, an alkyl group can be mentioned.

[0531] From the viewpoint of further improving light resistance, the compound represented by the general formula (18) preferably has a cyclic structure.

[0532] The cyclic structure may be any of a saturated or unsaturated aliphatic hydrocarbon ring and an aromatic hydrocarbon ring, and is preferably an aromatic hydrocarbon ring.

[0533] The number of the ring structures in the compound is not particularly limited, and is, for example, preferably 1 to 7, more preferably 1 to 5, and even more preferably 2 or 3.

[0534] Furthermore, from the viewpoint of further improving light resistance, the compound represented by general formula (18) preferably does not have a long-chain alkyl group. Here, a long-chain alkyl group refers to a group having 7 or more carbon atoms constituting the longest bond among carbon-carbon bonds constituting the alkyl group.

[0535] Preferred examples of the compound represented by the general formula (18) are shown below, but the present invention is not limited to these specific examples.

[0536] [Chemical formula 45]

[0537]

[0538] [Chemical formula 46]

[0539]

[0540] [Chemical formula 47]

[0541]

[0542] [Chemical formula 48]

[0543]

[0544] [Chemical formula 49]

[0545]

[0546] [Chemical formula 50]

[0547]

[0548] [Chemical formula 51]

[0549]

[0550] [Chemical formula 52]

[0551]

[0552] Furthermore, as the above-mentioned association inhibitor, a compound having an alkoxycarbonyl group on the benzene ring is also preferably mentioned. The number of the alkoxycarbonyl groups on the benzene ring is not particularly limited, but is preferably 1 to 3, and more preferably 2 or 3. Furthermore, the benzene ring may have a substituent other than the alkoxycarbonyl group, and examples thereof include a sulfamoyl group and a sulfonyl group. As the above-mentioned sulfamoyl group, the number of carbon atoms is preferably 0 to 20, more preferably 0 to 12, and further preferably 0 to 6, and as the above-mentioned sulfonyl group, the number of carbon atoms is preferably 0 to 20, and more preferably 0 to 12. These sulfamoyl groups and sulfonyl groups may be further substituted by a substituent, and examples thereof include an alkoxycarbonyl group, an acyloxy group, and the like.

[0553] As the compound having an alkoxycarbonyl group on a benzene ring, a phthalate compound or a trimellitate compound is particularly preferred.

[0554] As the phthalate compound, an ester compound of phthalic acid (which may be any isomer of the ortho, meta, or para positions) and an alcohol having 4 to 10 carbon atoms is preferred. Specifically, dicyclohexyl phthalate, diphenyl phthalate, ditolyl phthalate, etc. are mentioned. Among them, dicyclohexyl phthalate or diphenyl phthalate is preferred.

[0555] As the trimellitic acid ester compound, an ester compound of trimellitic acid and an alcohol having 4 to 10 carbon atoms is preferred. Specifically, there can be mentioned tributyl trimellitate, tri(2-ethylhexyl) trimellitate, tri-n-octyl trimellitate, tri-n-decyl trimellitate, and tri-isodecyl trimellitate. Among them, tributyl trimellitate, tri(2-ethylhexyl) trimellitate, and tri-isodecyl trimellitate are preferred.

[0556] The content of the association inhibitor in the wavelength selective absorption filter of the present invention is preferably 0.1 to 30% by mass, more preferably 1 to 20% by mass, and further preferably 2 to 15% by mass.

[0557] Regarding the above-mentioned association inhibitor, in the wavelength selective absorption filter of the present invention, it is preferably contained in a ratio of 10 to 1000 parts by mass, more preferably 30 to 700 parts by mass, and further preferably 50 to 500 parts by mass, relative to 100 parts by mass of the total content of dye A and dye C.

[0558] <Other ingredients>

[0559] The wavelength selective absorption filter of the present invention may contain, in addition to the aforementioned dye, matrix resin and association inhibitor, an anti-fading agent for the dye, a matting agent, a leveling agent (surfactant) and the like.

[0560] (Anti-fading agent)

[0561] The wavelength selective absorption filter of the present invention may contain an anti-fading agent for dyes (also referred to as an anti-fading agent for short) to prevent fading of the dye including at least one of the dyes A and D described above.

[0562] As the above-mentioned anti-fading agent, commonly used anti-fading agents such as the antioxidants described in paragraphs

[0143] to

[0165] of International Publication No. 2015 / 005398, the free radical scavengers described in paragraphs

[0166] to

[0199] of International Publication No. 2015 / 005398, and the degradation inhibitors described in paragraphs

[0205] to

[0206] of International Publication No. 2015 / 005398 can be used without particular limitation.

[0563] The content of the anti-fading agent in the wavelength selective absorption filter of the present invention is preferably 0.1 to 15 mass %, more preferably 1 to 15 mass %, based on 100 mass % of the total mass of the wavelength selective absorption filter.

[0564] By containing the anti-fading agent within the above preferred range, the light resistance of the dye (pigment) can be improved without causing side effects such as discoloration of the wavelength selective absorption filter.

[0565] (Matting agent)

[0566] In order to impart slip and prevent adhesion, it is preferred to add microparticles (also referred to as matting agents) to the surface of the wavelength selective absorption filter of the present invention. As the matting agent, the matting agents described in

[0253] to

[0255] of International Publication No. 2019 / 189463 can be used without particular limitation. In addition, the “filter of the present invention” in International Publication No. 2019 / 189463 is replaced with “wavelength selective absorption filter of the present invention”.

[0567] However, when the wavelength selective absorption filter of the present invention has a gas barrier layer, it is preferred that the matting agent fine particles are provided on the surface of the wavelength selective absorption filter that is in contact with the gas barrier layer within a range that does not impair the effects of the present invention.

[0568] (Leveling agent)

[0569] The wavelength selective absorption filter of the present invention can be appropriately mixed with a leveling agent (surfactant). As the leveling agent, commonly used compounds can be used, and fluorinated surfactants are particularly preferred. Specifically, for example, the compounds described in paragraphs

[0028] to

[0056] in the specification of Japanese Patent Application Publication No. 2001-330725 can be cited.

[0570] The content of the leveling agent in the wavelength selective absorption filter of the present invention can be appropriately adjusted depending on the purpose.

[0571] The wavelength selective absorption filter of the present invention may contain, in addition to the above-mentioned components, low molecular plasticizers, oligomeric plasticizers, retardation regulators, ultraviolet absorbers, degradation inhibitors, peeling accelerators, infrared absorbers, antioxidants, fillers, compatibilizers, and the like.

[0572] <Method for Manufacturing Wavelength Selective Absorption Filter>

[0573] The wavelength selective absorption filter of the present invention can be produced by a conventional method by a solution film forming method, a melt extrusion method, or a method (coating method) of forming a coating layer on a base film (release film) by any method, and can also be appropriately combined with stretching.

[0574] Regarding the solution film forming method and the melt extrusion method, the solution film forming method and the melt extrusion method described in

[0259] to

[0265] of International Publication No. 2019 / 189463 can be used without particular limitation. In addition, the "filter of the present invention" or "filter" in International Publication No. 2019 / 189463 is replaced with the wavelength selective absorption filter of the present invention.

[0575] The wavelength selective absorption filter of the present invention is preferably produced by a coating method.

[0576] (Coating method)

[0577] In the coating method, after the solution of the material of the wavelength selective absorption filter of the present invention is appropriately subjected to a concentration process or a filtering process, etc., it is applied to a release film and dried to form a coating. In order to control the adhesion between the coating and the release film, a release agent or the like can be appropriately applied in advance on the surface of the release film. The coating can be used by peeling off the release film after being laminated with other components via an adhesive layer in a later process. As for the adhesive constituting the adhesive layer, any adhesive can be appropriately used. In addition, in a state where the solution of the material of the wavelength selective absorption filter of the present invention is coated on the release film or in a state where the coating is laminated, it can be appropriately stretched together with the release film.

[0578] The solvent used in the solution of the wavelength selective absorption filter material can be appropriately selected from the viewpoints of being able to dissolve or disperse the wavelength selective absorption filter material; being easy to form a uniform surface in the coating process and the drying process; being able to ensure liquid storage properties; and having an appropriate saturated vapor pressure.

[0579] - Addition of dyes (pigments) and association inhibitors -

[0580] There is no particular limitation on the timing of adding the dye and the association inhibitor to the wavelength selective absorption filter material as long as they are added at the time of film formation. For example, they may be added at the time of synthesis of the matrix resin, or may be mixed with the wavelength selective absorption filter material when preparing the coating liquid of the wavelength selective absorption filter material. In addition, the same is true for other components that may be contained in the wavelength selective absorption filter, such as a leveling agent.

[0581] -Release film-

[0582] The film thickness of the release film used to form the wavelength selective absorption filter by coating method is preferably 5 to 100 μm, more preferably 10 to 75 μm, and further preferably 15 to 55 μm. If the film thickness is above the preferred lower limit, it is easy to ensure sufficient mechanical strength and it is not easy to cause problems such as curling, wrinkling, and buckling. In addition, if the film thickness is below the preferred upper limit, when the multilayer film of the wavelength selective absorption filter and the release film of the present invention is stored in the form of a long roll, it is easy to adjust the surface pressure applied to the multilayer film within an appropriate range, and it is difficult to cause adhesion problems.

[0583] The surface energy of the release film is not particularly limited, but the bonding strength between the wavelength selective absorption filter and the release film can be adjusted by adjusting the correlation between the surface energy of the material of the wavelength selective absorption filter and the coating solution and the surface energy of the surface of the release film on the side where the wavelength selective absorption filter is formed. If the surface energy difference is reduced, the bonding strength tends to increase, and if the surface energy difference is increased, the bonding strength tends to decrease, and the surface energy difference can be appropriately set.

[0584] The surface energy of the release film can be calculated from the contact angle values ​​of water and diiodomethane by the Owens method. The contact angle can be measured using, for example, DM901 (manufactured by Kyowa Interface Science Co., Ltd., contact angle measuring instrument).

[0585] The surface energy of the side of the peeling film on which the wavelength selective absorption filter is formed is preferably 41.0 to 48.0 mN / m, and more preferably 42.0 to 48.0 mN / m. If the surface energy is above the preferred lower limit, the uniformity of the thickness of the wavelength selective absorption filter can be improved, and if it is below the preferred upper limit, it is easy to control the peeling force between the wavelength selective absorption filter and the peeling film within an appropriate range.

[0586] The surface roughness of the release film is not particularly limited, but can be adjusted based on the surface energy and hardness of the wavelength selective absorption filter surface, the surface roughness and the surface energy and hardness of the surface of the release film on the side opposite to the side where the wavelength selective absorption filter is formed, for example, to prevent adhesion failure when the multilayer film of the wavelength selective absorption filter and the release film of the present invention is stored in a long roll form. If the surface roughness is increased, there is a tendency to suppress adhesion failure, and if the surface roughness is reduced, there is a tendency to reduce the surface roughness of the wavelength selective absorption filter and reduce the haze of the wavelength selective absorption filter, and it can be appropriately set.

[0587] As such a release film, any material and film can be appropriately used. As specific materials, polyester polymers (including polyethylene terephthalate films), olefin polymers, cycloolefin polymers, (meth) acrylic polymers, cellulose polymers, polyamide polymers, etc. can be cited. In addition, in order to adjust the surface properties of the release film, the surface treatment can be appropriately performed. In order to reduce the surface energy, for example, corona treatment, normal temperature plasma treatment, saponification treatment, etc. can be performed, and in order to increase the surface energy, silicone treatment, fluorine treatment, olefin treatment, etc. can be performed.

[0588] -Peeling force of wavelength selective absorption filter and peeling film-

[0589] In the case of forming the wavelength selective absorption filter of the present invention by a coating method, the peeling force between the wavelength selective absorption filter and the peeling film can be controlled by adjusting the material of the wavelength selective absorption filter, the material of the peeling film, the internal deformation of the wavelength selective absorption filter, etc. The peeling force can be measured, for example, in a test of peeling the peeling film in a 90° direction. The peeling force when measured at a speed of 300 mm / min is preferably 0.001 to 5 N / 25 mm, more preferably 0.01 to 3 N / 25 mm, and further preferably 0.05 to 1 N / 25 mm. If it is above the above preferred lower limit, peeling of the peeling film outside the peeling process can be prevented, and if it is below the above preferred upper limit, peeling defects in the peeling process (for example, zipping or breakage of the wavelength selective absorption filter) can be prevented.

[0590] <Thickness of wavelength selective absorption filter>

[0591] The film thickness of the wavelength selective absorption filter of the present invention is not particularly limited, but is preferably 1 to 18 μm, more preferably 1 to 12 μm, and further preferably 1 to 8 μm. If it is below the above preferred upper limit, by adding a high concentration of dye to the film, the reduction in polarization degree caused by the fluorescence emitted by the dye (pigment) can be suppressed. In addition, the effects of quenchers and anti-fading agents are also easily manifested. On the other hand, if it is above the above preferred lower limit, it is easy to maintain the uniformity of absorbance within the surface.

[0592] In the present invention, the film thickness of 1 to 18 μm means that the thickness of the wavelength selective absorption filter is within the range of 1 to 18 μm regardless of where it is measured. This also applies to film thicknesses of 1 to 12 μm and 1 to 8 μm. The film thickness can be measured using an electronic micrometer manufactured by ANRITSU CORPORATION.

[0593] <Transmittance of Wavelength Selective Absorption Filter>

[0594] The minimum transmittance of the wavelength selective absorption filter of the present invention at a wavelength of 390 to 440 nm is preferably 0% to 98%, more preferably 0% to 90%, and even more preferably 0% to 80%.

[0595] Furthermore, the minimum transmittance of the wavelength selective absorption filter of the present invention at a wavelength of 480 to 520 nm is preferably 5% to 98%, more preferably 10% to 95%, and even more preferably 20% to 90%.

[0596] Furthermore, the minimum transmittance of the wavelength selective absorption filter of the present invention at a wavelength of 580 to 620 nm is preferably 0% to 99%, more preferably 0% to 98%, and even more preferably 0% to 95%.

[0597] Furthermore, the minimum transmittance of the wavelength selective absorption filter of the present invention at a wavelength of 680 to 780 nm is preferably 0% to 95%, more preferably 0% to 90%, and even more preferably 0% to 80%.

[0598] By incorporating the wavelength selective absorption filter of the present invention with the transmittance adjusted within the above range in a display device (preferably a self-luminous display device), a display performance with higher brightness, suppressed external light reflection, and small chromatic aberration of reflected light can be obtained.

[0599] The transmittance of the wavelength selective absorption filter of the present invention can be adjusted by the type and amount of dye added, the type and amount of association inhibitor added, the type of resin, and the like.

[0600] <Wavelength Selective Absorption Filter Processing>

[0601] The wavelength selective absorption filter of the present invention can be hydrophilized by any glow discharge treatment, corona discharge treatment or alkali saponification treatment, and corona discharge treatment is preferably used. It is also preferable to apply the method disclosed in Japanese Patent Application Laid-Open No. 6-94915 or Japanese Patent Application Laid-Open No. 6-118232.

[0602] Furthermore, the obtained film may be subjected to a heat treatment step, a superheated water vapor contact step, an organic solvent contact step, etc. as necessary. Furthermore, a surface treatment may be appropriately performed.

[0603] Furthermore, as the adhesive layer, a layer made of an adhesive composition containing a (meth)acrylic resin, a styrene resin, a silicone resin or the like as a base polymer and adding a crosslinking agent such as an isocyanate compound, an epoxy compound or an aziridine compound thereto can be used.

[0604] Preferably, the description of the adhesive layer in the display device described later can be applied.

[0605] Gas barrier

[0606] The wavelength selective absorption filter of the present invention preferably has a gas barrier layer directly disposed on at least one side of the wavelength selective absorption filter of the present invention, and the gas barrier layer contains a crystalline resin, the thickness of the layer is 0.1 μm to 10 μm, and the oxygen permeability of the layer is 60 cc / m 2 ·day·atm or less.

[0607] In the gas barrier layer, the “crystalline resin” is a resin having a melting point at which it changes from a crystal phase to a liquid when the temperature is increased, and can impart gas barrier properties with respect to oxygen to the gas barrier layer.

[0608] The wavelength selective absorption filter of the present invention has at least a gas barrier layer on the surface of the wavelength selective absorption filter of the present invention that contacts the air when assembled in the display device of the present invention, so that the reduction in the absorption intensity of the dye in the wavelength selective absorption filter of the present invention can be suppressed and the light resistance can be improved. As long as the gas barrier layer is provided at the interface of the wavelength selective absorption filter of the present invention that contacts the air, the gas barrier layer may be provided only on one side of the wavelength selective absorption filter or on both sides.

[0609] (Crystalline resin)

[0610] As the crystalline resin contained in the gas barrier layer, any crystalline resin can be used without particular limitation as long as it has gas barrier properties and can provide the gas barrier layer with a desired oxygen permeability.

[0611] Examples of the crystalline resin include polyvinyl alcohol and polyvinylidene chloride. Polyvinyl alcohol is preferred because the crystal portion can effectively suppress gas permeation.

[0612] The polyvinyl alcohol may be modified or unmodified. Examples of the modified polyvinyl alcohol include modified polyvinyl alcohols into which groups such as acetoacetyl groups and carboxyl groups are introduced.

[0613] From the viewpoint of further improving oxygen barrier properties, the saponification degree of the polyvinyl alcohol is preferably 80.0 mol% or more, more preferably 90.0 mol% or more, further preferably 97.0 mol% or more, and particularly preferably 98.0 mol% or more. There is no particular restriction on the upper limit, but in practice it is 99.99 mol% or less. The saponification degree of the polyvinyl alcohol is a value calculated by the method described in JIS K 67261994.

[0614] The gas barrier layer may generally contain any component contained in the gas barrier layer within the range that does not impair the effect of the present invention. For example, in addition to the above-mentioned crystalline resin, it may also contain an amorphous resin material, an organic-inorganic hybrid material such as a sol-gel material, SiO2, SiO x 、SiON、SiN x And inorganic materials such as Al2O3.

[0615] Furthermore, the gas barrier layer may contain solvents such as water and organic solvents generated during the production process within a range not impairing the effects of the present invention.

[0616] The content of the crystalline resin in the gas barrier layer is, for example, preferably 90% by mass or more, more preferably 95% by mass or more in 100% by mass of the total mass of the gas barrier layer. The upper limit is not particularly limited, but may be 100% by mass.

[0617] The oxygen permeability of the gas barrier layer is 60cc / m 2 ·day·atm or less, preferably 50cc / m 2 ·day·atm or less, more preferably 30cc / m 2 ·day·atm or less, more preferably 10cc / m 2 ·day·atm or less, particularly preferably 5cc / m 2 ·day·atm or less, most preferably 1cc / m 2 ·day·atm or less. The actual lower limit is 0.001cc / m 2 ·day·atm or more, for example, preferably more than 0.05cc / m 2 When the oxygen permeability is within the above-described preferred range, the light resistance can be further improved.

[0618] The oxygen permeability of the gas barrier layer is a value measured by a gas permeability test method based on JIS K 7126-22006. As a measuring device, for example, an oxygen permeability tester, OX-TRAN2 / 21 (trade name) manufactured by MOCON can be used. In addition, the measuring conditions are set to a temperature of 25° C. and a relative humidity of 50%.

[0619] The oxygen permeability can be expressed using the SI unit (fm) / (s·Pa). 2 ·day·atm). fm is pronounced as femtometer, and means 1fm=10 -15 m.

[0620] From the viewpoint of further improving light resistance, the thickness of the gas barrier layer is preferably 0.5 μm to 5 μm, more preferably 1.0 μm to 4.0 μm.

[0621] The thickness of the gas barrier layer is measured by the method described in Examples below.

[0622] The crystallinity of the crystalline resin contained in the gas barrier layer is preferably 25% or more, more preferably 40% or more, and further preferably 45% or more. The upper limit is not particularly limited, but is practically 55% or less, and preferably 50% or less.

[0623] The crystallinity of the crystalline resin contained in the gas barrier layer is a value measured and calculated by the following method according to the method described in J. Appl. Pol. Sci., 81, 762 (2001).

[0624] The sample peeled from the gas barrier layer was heated at 10°C / min in the range of 20°C to 260°C using a DSC (differential scanning calorimeter) to measure the heat of fusion 1. In addition, as the heat of fusion 2 of complete crystallization, the value described in J. Appl. Pol. Sci., 81, 762 (2001) was used. Using the obtained heat of fusion 1 and heat of fusion 2, the crystallinity was calculated by the following formula.

[0625] [Crystallinity (%)] = ([Heat of Melting 1] / [Heat of Melting 2]) × 100

[0626] Specifically, the above crystallinity is a value measured and calculated by the method described in the examples below. In addition, the heat of fusion 1 and the heat of fusion 2 can be expressed in the same unit, usually Jg -1 .

[0627] <Method for producing gas barrier layer>

[0628] The method for forming the gas barrier layer is not particularly limited, but according to conventional methods, examples include a method of forming it by a casting method such as spin coating and slit coating. In addition, examples include a method of laminating a commercially available resin gas barrier film or a pre-made resin gas barrier film to the wavelength selective absorption filter of the present invention.

[0629] <Optical Film>

[0630] The wavelength selective absorption filter of the present invention may have any appropriate optical film in addition to the above-mentioned gas barrier layer within a range not impairing the effects of the present invention.

[0631] Regarding any of the above optical films, there are no particular restrictions on optical properties and materials, but a film containing at least one of cellulose ester resin, acrylic resin, cyclic olefin resin and polyethylene terephthalate resin (or as a main component) can be preferably used. In addition, an optically isotropic film can be used, and an optically anisotropic phase difference film can also be used.

[0632] As for the above-mentioned arbitrary optical films, as an optical film containing a cellulose ester resin, for example, FUJITAC TD80UL (manufactured by FUJIFILM Corporation) or the like can be used.

[0633] Regarding any of the above-mentioned optical films, as an optical film containing an acrylic resin, an optical film containing a (meth) acrylic resin containing a styrene resin described in Japanese Patent No. 4570042, an optical film containing a (meth) acrylic resin having a glutarimide ring structure in the main chain described in Japanese Patent No. 5041532, an optical film containing a (meth) acrylic resin having a lactone ring structure described in Japanese Patent Publication No. 2009-122664, and an optical film containing a (meth) acrylic resin having a glutaric anhydride unit described in Japanese Patent Publication No. 2009-139754.

[0634] Furthermore, regarding any of the above-mentioned optical films, as an optical film containing a cyclic olefin resin, a cyclic olefin resin film described in paragraph

[0029] and thereafter of Japanese Patent Publication No. 2009-237376, a cyclic olefin resin film containing an additive for lowering Rth described in Japanese Patent Publication No. 4881827, and Japanese Patent Publication No. 2008-063536 can be utilized.

[0635] Furthermore, any of the above optical films may contain an ultraviolet absorber. As the ultraviolet absorber, a commonly used compound can be used without particular limitation.

[0636] The content of the ultraviolet absorber in the ultraviolet absorbing layer can be appropriately adjusted depending on the purpose.

[0637] 《Method for producing laminated body》

[0638] In the case where the laminate of the present invention has the above-mentioned gas barrier layer or any optical film in addition to the wavelength selective absorption filter of the present invention, the laminate including these wavelength selective absorption filters and the gas barrier layer and / or any optical film can be manufactured using the above-mentioned method for manufacturing the wavelength selective absorption filter and the method for manufacturing the gas barrier layer.

[0639] For example, there is a method of directly forming the gas barrier layer on the wavelength selective absorption filter produced by the above production method. In this case, it is also preferable to subject the surface of the wavelength selective absorption filter on which the gas barrier layer is provided to a corona treatment.

[0640] Furthermore, when any of the above optical films is provided, it is also preferable to bond them together via an adhesive layer. For example, it is also preferable to bond an optical film containing a UV absorber together via an adhesive layer after providing a gas barrier layer on the wavelength selective absorption filter.

[0641] [Display device]

[0642] The display device of the present invention includes the wavelength selective absorption filter of the present invention.

[0643] As the display device of the present invention, as long as it has a structure that includes the wavelength selective absorption filter of the present invention at a position where the external light anti-reflection function is exerted (when the above-mentioned gas barrier layer is included, further, as long as it includes a structure where the above-mentioned gas barrier layer is located at least closer to the external light side than the wavelength selective absorption filter of the present invention), as other structures, the structure of a commonly used display device can be used without particular restrictions.

[0644] The display device is not particularly limited, but from the viewpoint that the excellent light resistance displayed by the wavelength selective absorption filter of the present invention can be more effectively exerted by including the wavelength selective absorption filter of the present invention, self-luminous display devices (self-luminous display devices) such as organic light emitting diode (OLED) display devices, micro light emitting diode (micro LED) display devices, and small light emitting diode (small LED) display devices having a light emitting diode as a light source are preferred.

[0645] There is no particular limitation on the structural example of the self-luminous display device, but for example, a display device can be cited which includes glass, a layer including a TFT (thin film transistor), a light-emitting element, the wavelength selective absorption filter of the present invention, and a surface film in sequence from the opposite side relative to external light.

[0646] The light source of the display light of the self-luminous display device can be blue monochromatic light or the three primary colors of blue, green and red as long as it has a light emitting diode as a light source. Among them, it is particularly preferred to use a blue light source emitting light in the wavelength region of 440nm to 470nm, a green light source emitting light in the wavelength region of 520nm to 560nm, and a red light source emitting light in the wavelength region of 620nm to 660nm.

[0647] In the present invention, a small LED refers to an LED having a chip size of about 100 to 200 μm square, and a micro LED refers to an LED having a chip size of less than 100 μm square. Preferred examples of micro LEDs include micro LEDs described in International Publication No. 2014 / 204694.

[0648] Even when the self-luminous display device is configured to include the wavelength selective absorption filter of the present invention as an antireflection mechanism instead of a circular polarizing plate, the absorbance of the dye contained in the wavelength selective absorption filter of the present invention can be maintained at an excellent level.

[0649] Furthermore, as described above, when the dye contained in the wavelength selective absorption filter of the present invention is contained in combination of four dyes A to D, it is possible to exhibit excellent light resistance that exceeds the decrease in light resistance associated with the mixing of dyes.

[0650] That is, usually, when a circular polarizer with an anti-reflection function is used as the above-mentioned surface film, by adopting the wavelength selective absorption filter of the present invention, the display device of the present invention including the self-luminous display device can exert the above-mentioned excellent effect without using a circular polarizer. In addition, as the structure of the display device of the present invention (including the self-luminous display device), the anti-reflection film is not hindered in the range of not damaging the effect of the present invention.

[0651] <Adhesive Layer>

[0652] In the self-luminous display device, the wavelength selective absorption filter of the present invention is preferably bonded to glass (substrate) via an adhesive layer at the surface located on the side opposite to the external light.

[0653] The composition of the adhesive composition used in forming the adhesive layer is not particularly limited. For example, a composition containing a mass average molecular weight (M w) is 500,000 or more. When the mass average molecular weight of the base resin is less than 500,000, bubbles or peeling may occur under at least one of high temperature and high humidity due to reduced cohesive force, and the durability reliability of the adhesive may be reduced. The upper limit of the mass average molecular weight of the base resin is not particularly limited, but if the mass average molecular weight is excessively increased, the coating property may be reduced due to increased viscosity, so it is preferably 2,000,000 or less.

[0654] The specific type of the base resin is not particularly limited, and examples thereof include acrylic resins, silicone resins, rubber resins, and EVA (ethylene vinyl acetate) resins. When applied to optical devices such as liquid crystal display devices, acrylic resins are mainly used due to their excellent transparency, oxidation resistance, and resistance to yellowing, but the present invention is not limited thereto.

[0655] Examples of the acrylic resin include polymers of a monomer mixture containing 80 to 99.8 parts by mass of a (meth)acrylate monomer and 0.02 to 20 parts by mass (preferably 0.2 to 20 parts by mass) of another crosslinking monomer.

[0656] The type of (meth)acrylate monomer is not particularly limited, and examples thereof include alkyl (meth)acrylate. If the alkyl group contained in the monomer becomes an excessively long chain, the cohesive force of the adhesive is reduced, and it is sometimes difficult to adjust the glass transition temperature (T g ) or adhesion, it is preferred to use a (meth)acrylate monomer having an alkyl group with 1 to 14 carbon atoms. Examples of such monomers include methyl (meth)acrylate, ethyl (meth)acrylate, n-propyl (meth)acrylate, isopropyl (meth)acrylate, n-butyl (meth)acrylate, tert-butyl (meth)acrylate, sec-butyl (meth)acrylate, pentyl (meth)acrylate, 2-ethylhexyl (meth)acrylate, 2-ethylbutyl (meth)acrylate, n-octyl (meth)acrylate, isooctyl (meth)acrylate, isononyl (meth)acrylate, lauryl (meth)acrylate, isobornyl (meth)acrylate, and tetradecyl (meth)acrylate. In the present invention, the above monomers may be used alone or in combination of two or more. As for the (meth)acrylate monomer, it is preferred to include 80 to 99.8 parts by mass in 100 parts by mass of the monomer mixture. When the content of the (meth)acrylate monomer is less than 80 parts by mass, the initial adhesive force may decrease, and when it exceeds 99.8 parts by mass, the cohesive force may decrease, thereby reducing the durability.

[0657] Other crosslinking monomers included in the monomer mixture can react with the multifunctional crosslinking agent described later to impart cohesive force to the binder, and impart crosslinking functional groups that play a role in regulating bonding force and durability reliability to the polymer. As such crosslinking monomers, hydroxyl-containing monomers, carboxyl-containing monomers and nitrogen-containing monomers can be cited. As hydroxyl-containing monomers, 2-hydroxyethyl (meth) acrylate, 2-hydroxypropyl (meth) acrylate, 4-hydroxybutyl (meth) acrylate, 6-hydroxyhexyl (meth) acrylate, 8-hydroxyoctyl (meth) acrylate, 2-hydroxyethylene glycol (meth) acrylate or 2-hydroxypropylene glycol (meth) acrylate can be cited. As carboxyl-containing monomers, acrylic acid, methacrylic acid, 2-(meth) acryloxy acetic acid, 3-(meth) acryloxy propionic acid, 4-(meth) acryloxy butyric acid, acrylic acid dimer, itaconic acid, maleic acid and maleic anhydride can be cited. Examples of the nitrogen-containing monomer include (meth)acrylamide, N-vinylpyrrolidone, and N-vinylcaprolactam. In the present invention, these crosslinking monomers may be used alone or in combination of two or more.

[0658] The other crosslinkable monomer may be contained in an amount of 0.02 to 20 parts by mass based on 100 parts by mass of the monomer mixture. If the content is less than 0.02 parts by mass, the durability reliability of the adhesive may be reduced, while if it exceeds 20 parts by mass, at least one of the adhesiveness and the releasability may be reduced.

[0659] The method for producing a polymer using a monomer mixture is not particularly limited, and for example, it can be produced by a general polymerization method such as solution polymerization, photopolymerization, bulk polymerization, suspension polymerization or latex polymerization. In the present invention, it is particularly preferred to use a solution polymerization method, and the solution polymerization is preferably completed at a polymerization temperature of 50°C to 140°C by mixing an initiator in a state where each monomer is uniformly mixed. At this time, as the initiator used, azo-based polymerization initiators such as azobisisobutyronitrile and azobiscyclohexanecarbonitrile; and common initiators such as peroxides such as benzoyl peroxide and acetyl peroxide can be cited.

[0660] The above-mentioned adhesive composition may further include 0.1 to 10 parts by mass of a crosslinking agent relative to 100 parts by mass of the base resin. Such a crosslinking agent can impart cohesive force to the adhesive through a crosslinking reaction with the base resin. When the content of the crosslinking agent is less than 0.1 parts by mass, the cohesive force of the adhesive may sometimes decrease. Furthermore, if it exceeds 10 parts by mass, interlayer peeling and warping may sometimes occur, and the durability reliability may be reduced.

[0661] The type of the crosslinking agent is not particularly limited, and for example, any crosslinking agent such as an isocyanate compound, an epoxy compound, an aziridine compound, and a metal chelate compound can be used.

[0662] As isocyanate compounds, for example, toluene diisocyanate, xylene diisocyanate, diphenylmethane diisocyanate, hexamethylene diisocyanate, isophorone diisocyanate, tetramethylxylene diisocyanate and naphthalene diisocyanate, and the reaction product of any one of them and a polyol (for example, trimethylolpropane) can be mentioned; as epoxy compounds, ethylene glycol diglycidyl ether, triglycidyl ether, trimethylolpropane triglycidyl ether, N,N,N',N'-tetraglycidylethylenediamine and glycerol diglycidyl ether can be mentioned; as aziridine compounds, N,N'-toluene-2,4-bis(1-aziridinecarboxamide), N,N'-diphenylmethane-4,4'-bis(1-aziridinecarboxamide), trithamide, bisprothaloyl-1-(2-methylaziridine) and tris-1-aziridine phosphine oxide can be mentioned. Examples of the metal chelate compound include compounds in which at least one polyvalent metal such as aluminum, iron, zinc, tin, titanium, antimony, magnesium, and vanadium is coordinated to acetylacetone or ethyl acetoacetate.

[0663] In the above-mentioned adhesive composition, 0.01 to 10 parts by mass of a silane coupling agent may also be included relative to 100 parts by mass of the base resin. Regarding the silane coupling agent, when the adhesive is placed under high temperature or high humidity conditions for a long time, it can help to improve the bonding reliability, especially when bonding with a glass substrate, it can improve the bonding stability, and can improve the heat resistance and moisture resistance. As a silane coupling agent, γ-glycidyloxypropyl trimethoxysilane, γ-glycidyloxypropyl methyl diethoxysilane, γ-glycidyloxypropyl triethoxysilane, 3-mercaptopropyl trimethoxysilane, vinyl trimethoxysilane, vinyl triethoxysilane, γ-methacryloxypropyl trimethoxysilane, γ-methacryloxypropyl triethoxysilane, γ-aminopropyl triethoxysilane, 3-isocyanate propyl triethoxysilane and γ-acetoacetate propyl trimethoxysilane can be cited. These silane coupling agents may be used alone or in combination of two or more.

[0664] The silane coupling agent is preferably contained in an amount of 0.01 to 10 parts by mass, and more preferably 0.05 to 1 part by mass, relative to 100 parts by mass of the base resin. When the content is less than 0.01 parts by mass, the effect of increasing the adhesive force may be insufficient, and when it exceeds 10 parts by mass, bubbles or peeling may occur, resulting in reduced durability and reliability.

[0665] The above-mentioned adhesive composition can also include an antistatic agent. As the antistatic agent, any compound can be used as long as it has excellent compatibility with other components included in the adhesive composition such as acrylic resin, does not adversely affect the transparency, operability and durability of the adhesive, and can impart antistatic properties to the adhesive. As the antistatic agent, inorganic salts or organic salts can be cited.

[0666] Inorganic salts are salts containing alkali metal cations or alkaline earth metal cations as cation components. Examples of cations include lithium ions (Li + ), sodium ion (Na + ), potassium ion (K + ), rubidium ions (Rb + ), cesium ion (Cs + ), beryllium ion (Be 2+ ), magnesium ion (Mg 2+ ), calcium ions (Ca 2+ ), strontium ion (Sr 2+ ) and barium ions (Ba 2+ ) or more, preferably lithium ion (Li + ), sodium ion (Na + ), potassium ion (K + ), cesium ion (Cs + ), beryllium ion (Be 2+ ), magnesium ion (Mg 2+ ), calcium ions (Ca 2+ ) and barium ions (Ba 2+ The inorganic salt may be used alone or in combination of two or more. In terms of ion safety and mobility within the binder, lithium ions (Li + ).

[0667] Organic salts are salts containing onium cations as cationic components. The term "onium cation" refers to a positively charged (+) ion, wherein at least a portion of the charge is unevenly present in one or more atoms of nitrogen (N), phosphorus (P) and sulfur (S). Onium cations are cyclic or non-cyclic compounds, and in the case of cyclic compounds, they can be non-aromatic or aromatic compounds. Moreover, in the case of cyclic compounds, heteroatoms (e.g., oxygen) other than one or more nitrogen, phosphorus or sulfur atoms can be included. Moreover, cyclic or non-cyclic compounds are arbitrarily substituted by substituents such as hydrogen atoms, halogen atoms, alkyl or aryl groups. Moreover, in the case of non-cyclic compounds, more than one, preferably more than four substituents can be included, and at this time, the substituents are cyclic or non-cyclic substituents, aromatic or non-aromatic substituents.

[0668] The onium cation is preferably a cation containing a nitrogen atom, and more preferably an ammonium ion. The ammonium ion is a quaternary ammonium ion or an aromatic ammonium ion.

[0669] In the above-mentioned adhesive composition, relative to 100 parts by mass of the base resin, 0.01 to 5 parts by mass, preferably 0.01 to 2 parts by mass, and more preferably 0.1 to 2 parts by mass of the antistatic agent are included. When the content is less than 0.01 parts by mass, the target antistatic effect may not be obtained, and when it exceeds 5 parts by mass, the compatibility with other components may be reduced, and the durability reliability or transparency of the adhesive may be deteriorated.

[0670] The above-mentioned adhesive composition can also include an antistatic agent, specifically a compound that can form a coordination bond with the cation contained in the antistatic agent (hereinafter referred to as a "coordination bonding compound"). By appropriately including the coordination bonding compound, even when a relatively small amount of antistatic agent is used, the anion concentration inside the adhesive layer can be increased to effectively impart antistatic performance.

[0671] The type of the coordination bonding compound that can be used is not particularly limited as long as it has a functional group that can coordinately bond with the antistatic agent in the molecule, and examples thereof include alkylene oxide compounds.

[0672] The alkylene oxide compound is not particularly limited, but an alkylene oxide compound containing an alkylene oxide unit having 2 or more, preferably 3 to 12, and more preferably 3 to 8 carbon atoms as a basic unit is preferably used.

[0673] The molecular weight of the alkylene oxide compound is preferably 5,000 or less. The term "molecular weight" used in the present invention refers to the molecular weight or mass average molecular weight of the compound. In the present invention, if the molecular weight of the alkylene oxide compound exceeds 5,000, the viscosity may increase excessively and the coating property may deteriorate, or the ability to form a complex with a metal may decrease. On the other hand, the lower limit of the molecular weight of the alkylene oxide compound is not particularly limited, but is preferably 500 or more, more preferably 4,000 or more.

[0674] In the present invention, in addition to the above-mentioned alkylene oxide compounds, various coordination bonding compounds such as ester compounds having one or more ether bonds disclosed in Korean Patent Publication No. 2006-0018495 or oxalate group-containing compounds, diamine group-containing compounds, polyvalent carboxyl group-containing compounds or ketone group-containing compounds disclosed in Korean Patent Publication No. 2006-0128659 can be appropriately selected and used.

[0675] The coordination bonding compound is contained in the adhesive composition in an amount of 3 parts by mass or less relative to 100 parts by mass of the base resin, more preferably 0.1 to 3 parts by mass, and further preferably 0.5 to 2 parts by mass. If the content exceeds 3 parts by mass, the adhesive properties such as peelability may be reduced.

[0676] In the above-mentioned binder composition, from the viewpoint of regulating bonding performance, relative to 100 mass parts of base resin, 1 mass part to 100 mass parts of adhesive imparting resin can also be included. When the content of adhesive imparting resin is less than 1 mass part, the addition effect is sometimes insufficient, and if it exceeds 100 mass parts, at least one of the intermiscibility and cohesive force improvement effect is sometimes reduced. As this adhesive imparting resin, there is no particular limitation, but for example, (hydrogenated) hydrocarbon resin, (hydrogenated) rosin resin, (hydrogenated) rosin ester resin, (hydrogenated) terpene resin, (hydrogenated) terpene phenolic resin, polymerized rosin resin or polymerized rosin ester resin can be cited. These adhesive imparting resins can be used alone or in combination of two or more.

[0677] The above-mentioned adhesive composition may also contain one or more polymerization initiators such as thermal polymerization initiators and photopolymerization initiators; epoxy resins; curing agents; ultraviolet stabilizers; antioxidants; colorants; reinforcing agents; fillers; defoaming agents; surfactants; photopolymerizable compounds such as multifunctional acrylates; and additives such as plasticizers, within the scope that will not affect the effects of the invention.

[0678] <Base Material>

[0679] In the self-luminous display device, the wavelength selective absorption filter of the present invention is preferably bonded to glass (substrate) via an adhesive layer at the surface located on the side opposite to the external light.

[0680] The method for forming the above-mentioned adhesive layer is not particularly limited, and for example, the following methods can be used: a method in which the adhesive composition is applied to the wavelength selective absorption filter of the present invention using a common device such as a rod coater, and the adhesive composition is dried and cured; and a method in which the adhesive composition is first applied to the surface of a removable substrate, dried, and then the adhesive layer is transferred to the wavelength selective absorption filter of the present invention using the removable substrate, and the adhesive layer is matured and cured.

[0681] The releasable substrate is not particularly limited, and any releasable substrate can be used. For example, the release film in the above-mentioned method for producing the wavelength selective absorption filter of the present invention can be mentioned.

[0682] In addition, the conditions for coating, drying, aging, and curing can also be appropriately adjusted according to conventional methods.

[0683] Example

[0684] Below, the present invention is further described in detail according to embodiment. About the material, dosage, ratio, processing content, processing sequence etc. shown in the following embodiment, as long as do not depart from the gist of the present invention, then can be appropriately changed.Therefore, the scope of the present invention is not limited to the embodiment shown below.

[0685] In the following examples, "parts" and "%" indicating the composition are based on mass unless otherwise specified. max It refers to the maximum absorption wavelength showing the maximum absorbance in the measurement of the absorbance maximum value and 20% value wavelength of the wavelength selective absorption filter described later.

[0686] [Fabrication of wavelength selective absorption filter]

[0687] A wavelength selective absorption filter was produced according to the following procedure.

[0688] Materials used to make the wavelength selective absorption filter are shown below.

[0689] <Matrix resin>

[0690] (Resin 9)

[0691] As Resin 9, APEL APL6011T (trade name, manufactured by Mitsui Chemicals, Inc., copolymer of ethylene and norbornene, Tg: 105°C) which is a cyclic polyolefin resin was used.

[0692] (Resin 10)

[0693] As the resin 10 , ARTON RX4500 (trade name, manufactured by JSR Corporation, norbornene-based polymer, Tg: 132° C.) which is a cyclic polyolefin resin was used.

[0694] (Releasability Controlling Resin Component 2)

[0695] TUFTEC H1043 (trade name, manufactured by Asahi Kasei Corporation, hydrogenated styrene-based thermoplastic elastomer (SEBS))

[0696] (Releasability Controlling Resin Component 3)

[0697] TUFTEC M1943 (trade name, manufactured by Asahi Kasei Corporation, hydrogenated styrene-based thermoplastic elastomer (SEBS))

[0698] <Pigment>

[0699] The following E-14, E-24 and E-40 and the following compound example 5 used in the examples of International Publication No. 2014 / 208749 were used as dyes A. The following 7-11 and 7-23 were used as dyes B, the following C-73 and C-80 were used as dyes C, and the following F-34 and F-35 were used as dyes D.

[0700] [Chemical formula 53]

[0701]

[0702] [Chemical formula 54]

[0703]

[0704] <Additives>

[0705] (Association Inhibitors)

[0706] The following compounds were used as association inhibitors.

[0707] [Chemical formula 55]

[0708]

[0709] (Substrate 1)

[0710] A cellulose acylate film (manufactured by Fujifilm Corporation, trade name: ZRD40SL) was used as the substrate 1 .

[0711] (Substrate 4)

[0712] A polyethylene terephthalate film (manufactured by Mitsubishi Chemical Corporation, trade name: Diafoil T600E50, film thickness: 50 μm) was used as the substrate 4 .

[0713] Example

[0714] <Fabrication of wavelength selective absorption filter with substrate>

[0715] (1) Preparation of Wavelength Selective Absorption Layer Forming Liquid A

[0716] The components were mixed in the following composition to prepare a wavelength selective absorption layer forming liquid A.

[0717]

[0718]

[0719] Next, the obtained wavelength selective absorption layer forming liquid A was filtered using filter paper (#63, manufactured by TOYO ROSHI KAISHA, Ltd.) with an absolute filtration accuracy of 10 μm, and further filtered using a metal sintered filter (FH025, manufactured by NIHON PALL LTD.) with an absolute filtration accuracy of 2.5 μm.

[0720] (2) Fabrication of wavelength selective absorption filter No. 101 with substrate

[0721] The wavelength selective absorption layer forming liquid A after the filtration treatment was applied to the substrate 1 using a bar coater so that the film thickness after drying was 1.9 μm, and dried at 120° C., thereby producing a wavelength selective absorption filter No. 101 with a substrate.

[0722] (3) Fabrication of wavelength selective absorption filters No. 102 to 109 and C201 to C204 with substrate

[0723] Wavelength selective absorption filters No. 102 to 109 and C201 to C204 with a substrate were manufactured in the same manner as the wavelength selective absorption filter No. 101 with a substrate, except that at least one of the type and amount of the dye and the type and amount of the association inhibitor was changed to the contents described in the following Table 1.

[0724] <Fabrication of wavelength selective absorption filter with substrate B>

[0725] (Substrate 2)

[0726] A cellulose acylate film (manufactured by Fujifilm Corporation, trade name: ZRD40SL) was immersed in a 2.3 mol / L sodium hydroxide aqueous solution at 55°C for 3 minutes. It was washed in a water bath at room temperature (25°C), and neutralized with 0.05 mol / L sulfuric acid at 30°C. It was washed again in a water bath at room temperature (25°C), and further dried with warm air at 100°C. The cellulose acylate film subjected to saponification treatment was used as the substrate 2.

[0727] (1) Preparation of wavelength selective absorption layer forming liquid B

[0728] The components were mixed in the following composition to prepare a wavelength selective absorption layer forming liquid B.

[0729]

[0730] Next, the obtained wavelength selective absorption layer forming liquid B was filtered using filter paper (#63, manufactured by TOYO ROSHI KAISHA, Ltd.) with an absolute filtration accuracy of 10 μm, and further filtered using a metal sintered filter (FH025, manufactured by NIHON PALL LTD.) with an absolute filtration accuracy of 2.5 μm.

[0731] (2) Fabrication of wavelength selective absorption filter No. 110 with substrate

[0732] The wavelength selective absorption layer forming liquid B after the filtration treatment was applied onto the substrate 2 using a bar coater so that the film thickness after drying was 1.2 μm, and dried at 120° C., thereby producing a wavelength selective absorption filter No. 110 with a substrate.

[0733] (3) Fabrication of wavelength selective absorption filters No. 111 to 115, C205, and C206 with substrate

[0734] Wavelength selective absorption filters No. 111 to 115, C205 and C206 with substrates were manufactured in the same manner as the wavelength selective absorption filter No. 110 with substrate, except that at least any one of the type of substrate, the type and amount of dye added, and the type and amount of association inhibitor added was changed to the contents described in the following Table 1.

[0735] The structures of the wavelength selective absorption filters with substrates are summarized in the following Table 1. Wavelength selective absorption filters with substrates No. 101 to 115 are wavelength selective absorption filters with substrates of the present invention, and wavelength selective absorption filters with substrates No. C201 to C206 are comparative wavelength selective absorption filters with substrates.

[0736]

[0737] (Notes to Table 1)

[0738] The mark "-" in the dye column indicates that the dye is not contained.

[0739] The content of dye refers to the content ratio of the dye in the wavelength selective absorption filter under the mass standard, and the unit is mass %. The content of association inhibitor refers to the content ratio of the association inhibitor in the wavelength selective absorption filter under the mass standard, and the unit is mass %. In addition, λ max It indicates the absorption maximum wavelength of the dye showing the maximum absorbance in the measurement of the absorbance maximum value and 20% value wavelength by the wavelength selective absorption filter described later.

[0740] Compound Example 5: Compound Example 5 used in the examples of International Publication No. 2014 / 208749

[0741] [Production of a Laminated Body of Gas Barrier Layer and Wavelength Selective Absorption Filter]

[0742] A laminate of a gas barrier layer and a wavelength selective absorption filter (hereinafter referred to as a laminate) was produced in the following order. The materials used for the production are shown below.

[0743] <Resin>

[0744] (Resin 4)

[0745] AQ-4104 (manufactured by KURARAY CO., LTD., Exceval AQ-4104 (trade name), modified polyvinyl alcohol (crystalline resin), saponification degree 98 to 99 mol%)

[0746] (Substrate 3)

[0747] A corona treatment device (trade name: Corona-Plus, manufactured by VETAPHONE) was used at a discharge rate of 1000 W·min / m 2 The wavelength selective absorption filter side of wavelength selective absorption filter No. 101 with a substrate was subjected to corona treatment at a treatment speed of 3.2 m / min, thereby using it as substrate 3.

[0748] <Preparation of Laminated Body No. 101>

[0749] (1) Preparation of resin solution

[0750] The components were mixed in the following composition, and stirred in a thermostatic bath at 90° C. for 1 hour to dissolve the resin 4, thereby preparing a gas barrier layer forming liquid 1 .

[0751]

[0752]

[0753] Next, the obtained gas barrier layer forming liquid 1 was filtered using a filter having an absolute filtration accuracy of 5 μm (trade name: Hydrophobic Fluororepore Membrane, manufactured by Millex).

[0754] (2) Preparation of laminated body

[0755] The gas barrier layer forming liquid 1 after the filtration treatment was applied to the corona-treated surface of the substrate 3 using a bar coater so that the film thickness after drying was 1.6 μm, and dried at 120° C. for 60 seconds to produce a laminate No. 101.

[0756] The laminate No. 101 has a structure in which a substrate 1, a wavelength selective absorption filter No. 101, and a gas barrier layer are laminated in this order.

[0757] <Production of Laminated Body Nos. 102 to 115 and C201 to C206>

[0758] Laminated bodies No. 102 to 115 and C202 to C204 were produced in the same manner as laminated body No. 101 except that the type of wavelength selective absorption filter with substrate was changed as shown in Table 2 described later. Laminated body No. C201 was produced in the same manner as laminated body No. 101 except that the type of wavelength selective absorption filter with substrate was changed to wavelength selective absorption filter with substrate No. C201, laminated body No. C205 was produced in the same manner as laminated body No. 101 except that the type of wavelength selective absorption filter with substrate was changed to wavelength selective absorption filter with substrate No. C205, and laminated body No. C206 was produced in the same manner as laminated body No. 101 except that the type of wavelength selective absorption filter with substrate was changed to wavelength selective absorption filter with substrate No. C206.

[0759] Laminates Nos. 101 to 115 are laminates including the wavelength selective absorption filter of the present invention, laminates Nos. C202 to C204 are comparative laminates, and laminates Nos. C201, C205, and C206 are reference laminates.

[0760] <Evaluation of Physical Properties of Gas Barrier Layer>

[0761] The crystallinity, oxygen permeability, and thickness of the gas barrier layer were evaluated by the following methods.

[0762] (Crystallinity)

[0763] 2 to 3 mg of the gas barrier layer was peeled off from the laminated body prepared above, and the temperature was increased at 10°C / min in the range of 20°C to 260°C using DSC7000X (trade name) manufactured by Hitachi High-Tech Science Corporation to measure the heat of fusion 1.

[0764] The crystallinity of the gas barrier layer was calculated according to the method described in J. Appl. Pol. Sci., 81, 762 (2001). Specifically, the crystallinity was calculated by the following formula using the heat of fusion 1 and the heat of fusion 2 of complete crystallization described in J. Appl. Pol. Sci., 81, 762 (2001).

[0765] [Crystallinity (%)] = ([Heat of Melting 1] / [Heat of Melting 2]) × 100

[0766] The crystallinity of the gas barrier layers of the laminates Nos. 101 to 112 and C201 to C205 measured in this manner was 53%.

[0767] (thickness)

[0768] A cross-sectional photograph of the laminate was taken using a field emission scanning electron microscope S-4800 (trade name) manufactured by Hitachi High-Technologies Corporation, and the thickness was read.

[0769] The thickness of the gas barrier layer of the laminated bodies Nos. 101 to 115 and C201 to C206 measured in this manner was 1.6 μm.

[0770] (Oxygen permeability)

[0771] In the preparation of the above-mentioned laminates No. 101 to 115 and C201 to C206, the laminates were prepared in the same manner except that the wavelength selective absorption filter was not subjected to corona treatment. Next, a triacetyl cellulose film (trade name: FUJITAC TD80UL, manufactured by FUJIFILM Corporation) with a thickness of 80 μm was attached to the gas barrier layer side of the laminate via an adhesive 1 (trade name: SK2057, manufactured by Soken Chemical & Engineering Co., Ltd.) with a thickness of about 20 μm. Next, the substrate 1, substrate 2 or substrate 4 corresponding to the substrate 3 and the wavelength selective absorption filter were peeled off, thereby preparing oxygen permeability evaluation films No. L101 to L115 and LC201 to LC206 in which the triacetyl cellulose film, adhesive 1 and gas barrier layer were sequentially laminated.

[0772] As an oxygen permeability measuring apparatus, OX-TRAN 2 / 21 (trade name) manufactured by MOCON was used, and the oxygen permeability was measured by an isobaric method (JIS K 7126-2) at 25°C, relative humidity 50%, oxygen partial pressure 1 atm, and measuring area 50 cm. 2 The oxygen permeability of the oxygen permeability evaluation film was measured under the conditions of.

[0773] The oxygen permeability of the laminates No. L101 to L115 and LC201 to LC206 measured in this manner was 0.6 cc / m 2 ·day·atm.

[0774] [evaluate]

[0775] The absorbance maximum value and 20% value wavelength A or D of each of the produced wavelength selective absorption filters with substrates and the light resistance of each laminate were measured and evaluated in the following manner.

[0776] <1. Absorbance maximum and 20% wavelength of wavelength selective absorption filter>

[0777] (Absorbance of wavelength selective absorption filter)

[0778] The absorbance of the wavelength selective absorption filter with substrate in the wavelength range of 380 to 800 nm was measured per 1 nm using UV360 spectrophotometer (trade name) manufactured by SHIMADZU CORPORATION. The absorbance Ab of the wavelength selective absorption filter with substrate at each wavelength λ nm was calculated. x The absorbance difference Ab0(λ) and the absorbance Ab0(λ) of a wavelength selective absorption filter with a substrate that does not contain a dye (i.e., wavelength selective absorption filter No. C201, C205 or C206), Ab x (λ)-Ab0(λ).

[0779] In addition, among the wavelength selective absorption filters No. 101 to 109 and C202 to C204 with a substrate, the wavelength selective absorption filter with a substrate of No. C201 is used as a wavelength selective absorption filter with a substrate that does not contain a dye, among the wavelength selective absorption filters with a substrate of No. 110 to 112, the wavelength selective absorption filter with a substrate of No. C205 is used as a wavelength selective absorption filter with a substrate that does not contain a dye, and among the wavelength selective absorption filters with a substrate of No. 113 to 115, the wavelength selective absorption filter with a substrate of No. C206 is used as a wavelength selective absorption filter with a substrate that does not contain a dye.

[0780] (λ max Determination of

[0781] According to the above Ab x (λ)-Ab0(λ) determines the maximum absorption wavelength λ max .

[0782] (Determination of 20% value wavelength)

[0783] Next, in the above Abx In (λ)-Ab0(λ), when a pigment having a main absorption wavelength band at a wavelength of 390 to 440 nm is included, the wavelength on the longer wavelength side of the two wavelengths that give 20% absorbance relative to the absorbance maximum value at the wavelength of 390 to 440 nm (20% value wavelength A) is obtained. Also, when a pigment having a main absorption wavelength band at a wavelength of 680 to 780 nm is included, the wavelength on the shorter wavelength side of the two wavelengths that give 20% absorbance relative to the absorbance maximum value at the wavelength of 680 to 780 nm (20% value wavelength D) is obtained.

[0784] <2.Light resistance>

[0785] (Preparation of Light Resistance Evaluation Film)

[0786] On the gas barrier layer side of the laminate, a 60 μm thick triacetyl cellulose film (trade name: FUJITAC TG60UL, manufactured by FUJIFILM Corporation) was bonded via an adhesive 1 (trade name: SK2057, manufactured by Soken Chemical & Engineering Co., Ltd.) having a thickness of about 20 μm. Next, the substrate 1, substrate 2, or substrate 4 was peeled off, and a glass was bonded to the wavelength selective absorption filter side to which the substrate 1, substrate 2, or substrate 4 was bonded via the above-mentioned adhesive 1, thereby preparing a light resistance evaluation film.

[0787] The obtained light resistance evaluation film had a structure in which glass / layer of binder 1 / wavelength selective absorption filter / gas barrier layer / layer of binder 1 / triacetylcellulose film were laminated in this order.

[0788] (Light resistance evaluation film absorption maximum value)

[0789] The absorbance of the light resistance evaluation film in the wavelength range of 200 to 1000 nm was measured per 1 nm using a UV3600 spectrophotometer (trade name) manufactured by SHIMADZU CORPORATION. The absorbance difference between the absorbance of the light resistance evaluation film at each wavelength and the absorbance of a light resistance evaluation film having the same structure except for the point not containing the dye and the association inhibitor was calculated, and the maximum value of the absorbance difference was defined as the absorption maximum.

[0790] In addition, among the light resistance evaluation films of laminates No. 101 to 109 and C202 to C204, the absorbance difference was calculated using the light resistance evaluation film of laminate No. C201 which did not contain a dye and an association inhibitor, among the light resistance evaluation films of laminates No. 110 to 112, the absorbance difference was calculated using the light resistance evaluation film of laminate No. C205 which did not contain a dye and an association inhibitor, and among the light resistance evaluation films of laminates No. 113 to 115, the absorbance difference was calculated using the light resistance evaluation film of laminate No. C206 which did not contain a dye and an association inhibitor.

[0791] (Lightfastness)

[0792] The light resistance evaluation film was irradiated with light for 200 hours at 60°C and 50% relative humidity using a super xenon weathering tester SX75 (trade name) manufactured by Suga Test Instruments Co., Ltd., and the absorption maximum values ​​before and after the irradiation were measured. The light resistance was calculated by the following formula.

[0793] [Light resistance (%)] = ([absorption maximum value after 200 hours of light irradiation] / [absorption maximum value before light irradiation]) × 100

[0794] [Table 2]

[0795]

[0796] (Notes to Table 2)

[0797] The mark "-" in the column of 20% value wavelength evaluation and the column of light fastness evaluation indicates that the dye is not contained.

[0798] According to the results in Table 2, the following can be found.

[0799] In the case of containing dye A having a main absorption wavelength band at wavelengths of 390 to 440 nm, in comparative laminate No. C202 not containing an association inhibitor, the 20% value wavelength A was 456 nm and outside the range specified in the present invention, and the residual rate after 200 hours of xenon irradiation was as low as 73%. In addition, although containing dye A specified in the present invention and an association inhibitor, in comparative laminate No. C204, the 20% value wavelength A was 465 nm and outside the range specified in the present invention, the residual rate after 200 hours of xenon irradiation was as low as 73%.

[0800] In contrast, in the laminates No. 101 to 108, 110, 111 and 113 to 115 containing the dye A and the association inhibitor specified in the present invention and having a 20% value wavelength A of less than 455 nm, the residual rate of dye A after 200 hours of xenon irradiation was more than 79%, showing excellent light resistance.

[0801] Furthermore, in the case of a dye D having a main absorption wavelength band at a wavelength of 680 to 780 nm, in the comparative laminate No. C203 not containing an association inhibitor, the 20% value wavelength D was 639 nm, which was outside the range specified in the present invention, and the residual rate after 200 hours of xenon gas irradiation was 91%.

[0802] On the other hand, in laminates Nos. 109 to 114 containing the dye D and the association inhibitor defined in the present invention and having a 20% value wavelength D of 640 nm or more, the residual rate of the dye D after 200 hours of xenon gas irradiation was 95%, and all of them were excellent in light resistance.

[0803] In particular, when the results of Tables 1 and 2 are summarized, it can be seen from the comparison between No. C202 and No. 101 to 108 using the same dye E-40 as dye A and the comparison between No. C203 and No. 109 to 112 using the same dye F-34 as dye D that the absorption maximum wavelength (λ max ) does not change but the absorption waveform is sharpened, and as a result, excellent light resistance is obtained. In addition, among No. 105 to 107 using a carboxylic acid amide compound as an association inhibitor, the light resistance of No. 107 using an association inhibitor having a cyclohexane ring is 87%, and the light resistance of No. 106 using an association inhibitor having a benzene ring is 92%, and better light resistance can be obtained than No. 105 using an association inhibitor without a ring structure.

[0804] The present invention has been described together with its embodiments, but unless otherwise indicated, we do not intend our invention to be limited to any of the details described and should be broadly construed without departing from the spirit and scope of the invention as set forth in the appended claims.

[0805] This application claims priority based on Japanese Patent Application No. 2020-217496 filed in Japan on December 25, 2020 and Japanese Patent Application No. 2021-131753 filed in Japan on August 12, 2021, the contents of which are incorporated herein by reference as part of the description of this specification.

[0806] Explanation of symbols

[0807] 91- wavelength selective absorption filter (wavelength selective absorption layer), 92- gas barrier layer, 93- laminated body.

Claims

1. A wavelength selective absorption filter comprising a resin, a pigment, and a compound having at least one polar group of a carboxylic acid ester bond and a carboxylic acid amide bond and having a molecular weight of 1000 or less, The pigment includes at least one of the dye A and the dye D shown below, When the dye A is included, the wavelength on the longer wavelength side of the two wavelengths that provide 20% absorbance with respect to the absorbance maximum value at wavelengths of 390 to 440 nm is 455 nm or less, When the dye D is included, the wavelength on the shorter wavelength side of the two wavelengths that provide 20% absorbance with respect to the absorbance maximum value at wavelengths of 680 to 780 nm is 640 nm or longer. Dye A: A pigment having a main absorption wavelength band at a wavelength of 390 to 440 nm. Dye D: A pigment having a main absorption wavelength band at a wavelength of 680 to 780 nm. The maximum absorbance at the wavelength of 390 to 440 nm refers to the absorbance at the maximum absorption wavelength in the wavelength of 390 to 440 nm. The two wavelengths that impart 20% absorbance to the absorbance maximum at the wavelength of 390 to 440 nm refer to wavelengths that exhibit absorbance at 20% intensity of the absorbance maximum located on both sides of the maximum absorption wavelength showing the absorbance maximum in the absorption peak having the absorbance maximum at the wavelength of 390 to 440 nm as the maximum absorbance, The maximum absorbance at the wavelength of 680-780 nm refers to the absorbance at the maximum absorption wavelength in the wavelength of 680-780 nm. The two wavelengths that impart 20% absorbance to the absorbance maximum at the wavelength of 680 to 780 nm refer to wavelengths that exhibit absorbance at 20% intensity of the absorbance maximum located on both sides of the maximum absorption wavelength showing the absorbance maximum in the absorption peak having the absorbance maximum at the wavelength of 680 to 780 nm as the maximum absorbance, The wavelength on the long wavelength side of the maximum absorption wavelength showing the absorbance maximum value is a wavelength that is located on the long wavelength side of the maximum absorption wavelength and shows the shortest absorbance with an intensity of 20% of the absorbance maximum value. The wavelength on the short wavelength side of the maximum absorption wavelength showing the absorbance maximum value is the longest wavelength located on the shorter wavelength side than the maximum absorption wavelength and showing an absorbance with an intensity of 20% of the absorbance maximum value. The absorbance maximum value and the two wavelengths that give an absorbance of 20% with respect to the absorbance maximum value are values ​​measured in the state of a wavelength selective absorption filter. The compound having at least one polar group of a carboxylic acid ester bond or a carboxylic acid amide bond and having a molecular weight of 1000 or less is selected from the following compound group: a compound having 1 to 3 alkoxycarbonyl groups on a benzene ring, a compound represented by the following general formula (3), a compound represented by the following general formula (4), and a compound represented by the following general formula (18), In the above general formula (3), Z represents a carbon atom, Y 22 represents an alkoxycarbonyl group, n is an integer of 1 to 6, AND 31 -L 31 -AND 32 General formula (4) In the above general formula (4), Y 31 and Y 32 Each independently represents an alkoxycarbonyl group, L 31 represents an alkylene group, In the above general formula (18), R 1 represents an alkyl or aryl group, R 2 and R 3 represents a hydrogen atom, an alkyl group or an aryl group, The dye A is a pigment represented by the following general formula (A1), In the above formula, R 1 and R 2 Each independently represents an alkyl group or an aryl group, R 3 ~R 6 Each independently represents a hydrogen atom, an alkyl group or an aryl group, and R 5 With R 6 They can bond to each other to form a 6-membered ring. The dye D is a squarylium dye represented by the following general formula (14): In the above formula, R 1 , R 2 , R 41 and R 42 each independently represents a hydrogen atom, an alkyl group or an aryl group, B 1 ~B 8 are carbon atoms, B 1 , B 4 , B 5 and B 8 may have a hydroxyl group, an amide group or a sulfonamide group as a substituent, B 2 , B 3 , B 6 and B 7 has no substituents, R 1 With R 2 They can be bonded to each other to form a 5-membered ring or a 6-membered ring, R 41 With R 42 They may be bonded to each other to form a 5-membered ring or a 6-membered ring.

2. The wavelength selective absorption filter according to claim 1, wherein: The pigment includes both the dye A and the dye D.

3. The wavelength selective absorption filter according to claim 1 or 2, wherein: The compound having a polar group is a compound having a carboxylate bond.

4. The wavelength selective absorption filter according to claim 1 or 2, wherein: The compound having a polar group is a compound having a carboxylic acid amide bond.

5. The wavelength selective absorption filter according to claim 1 or 2, wherein: The resin includes a polystyrene resin.

6. The wavelength selective absorption filter according to claim 1 or 2, wherein: The resin includes a cyclic polyolefin resin. 7 . A display device comprising the wavelength selective absorption filter according to claim 1 .

8. The display device according to claim 7, wherein: The display device is a self-luminous display device.

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