JP2012163636A - Filter for display - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a filter for display with excellent durability that contains a tetraazaporphyrin compound having a substituted group of a specific structure.SOLUTION: At least one kind of tetraazaporphyrin compound represented by general formula (1) is contained in the base material or on the base material surface of a filter for display.

Description

  The present invention relates to a display filter comprising a tetraazaporphyrin compound having a substituent having a specific structure. Specifically, the present invention relates to a display filter used for a plasma display panel (PDP), a liquid crystal display (LCD), and the like.

Various displays such as a liquid crystal display, a plasma display, and an organic electroluminescent element are widely used as various displays for, for example, a television and a personal computer.
As a large-sized display, a plasma display or a liquid crystal display which has been attracting attention generates an unnecessary electromagnetic wave from the display screen because of its structure and operating principle, and it is necessary to shield the electromagnetic wave.
For example, in a plasma display panel, a red (R) light emission formed on a light emitting cell is generated by ultraviolet rays generated in the light emitting cell by applying a high voltage to the light emitting cell in which xenon gas and neon gas are sealed to cause surface discharge. An image is displayed by exciting and emitting green (G) emission and blue (B) emission phosphors. Since neon gas is sealed in the light emitting cell, neon light having a center wavelength around 590 nm due to neon gas is also generated along with ultraviolet rays. If neon light is transmitted as it is, color purity and color reproducibility deteriorate.
As a method for improving such a point, for example, a display filter containing a tetraazaporphyrin compound has been proposed as a compound that selectively absorbs unnecessary neon light. For example, a filter having a wavelength of 570 to 605 nm is proposed. There has been proposed a display filter containing a tetraazaporphyrin compound having a specific substituent (for example, an alkyl group, an aryl group, a halogen atom, etc.) having an absorption maximum in the range (Patent Documents 1 to 3). There is also a proposal for a display filter comprising a tetraazaporphyrin compound having a halogenoalkoxy group as a substituent (Patent Document 4).

When the tetraazaporphyrin compound is applied to, for example, a display filter, a method in which the compound is contained in a polymer film or applied to one side or both sides of the polymer film is applied. In addition, as the size of displays increases, display filters are also required to be lighter and thinner. In such cases, a tetraazaporphyrin compound is added to the adhesive layer used when laminating polymer films. A method of adding and directly attaching to the front glass or the like of the display device is applied.
In producing such a display filter, the tetraazaporphyrin compound itself must have characteristics such as, for example, good solubility in an organic solvent. In addition, when a display filter containing a tetraazaporphyrin compound in the adhesive layer is mounted on an actual plasma display and used for a long period of time, the neon light absorption function is lost due to the deterioration of the tetraazaporphyrin compound. Since it has been pointed out that the color tone of the plasma display deteriorates due to breakage, durability (for example, light resistance and heat and humidity resistance) is also required. For this reason, the compound which selectively absorbs the specific wavelength used for the display filter is also required to have durability of the compound itself and durability in the pressure-sensitive adhesive.
In general, tetraazaporphyrin compounds have excellent absorption characteristics such as a large molar extinction coefficient and a small half width, but compounds having specific structures described in Patent Documents 1 to 4 With respect to characteristics such as solubility in organic solvents and durability (moisture and heat resistance), although there are certain characteristics, further improvement in durability (for example, light resistance) is required.

JP 2002-251144 A JP 2002-40233 A JP 2000-275432 A JP 2008-268331 A

  An object of the present invention is to provide a display filter having excellent optical properties and a superior durability (for example, light resistance) obtained by containing a tetraazaporphyrin compound having a substituent having a specific structure.

As a result of intensive studies on display filters containing various tetraazaporphyrin compounds, the present inventors have completed the present invention.
That is, the present invention
(I) A display filter comprising at least one tetraazaporphyrin compound represented by the general formula (1) in a substrate or on the substrate surface.
[Wherein, M represents two hydrogen atoms, a divalent metal atom, or a metal oxide atom, and X _{1 to} X ₄ each independently represent a linear or branched alkyl group, or a linear or branched alkoxy group. Y _{1 to} Y ₄ each independently represents a linear or branched alkyl group having 3 to 5 carbon atoms, the following formula (1-a), formula (1-b), formula (1-c) Or a group represented by the formula (1-d)]
[In Formula (1-a), Z ₁ represents a fluorine atom or a chlorine atom, and R ₁ and R ₂ each independently represent a hydrogen atom, a fluorine atom, a chlorine atom, a straight chain or branched chain having 1 to 5 carbon atoms. Or a linear or branched alkoxy group having 1 to 5 carbon atoms]
[In Formula (1-b), Z ₂ represents a fluorine atom or a chlorine atom, and R ₃ and R ₄ each independently represent a hydrogen atom, a fluorine atom, a chlorine atom, a straight chain or branched chain having 1 to 5 carbon atoms. Or a linear or branched alkoxy group having 1 to 5 carbon atoms. However, R ₃ and R ₄ do not represent a hydrogen atom at the same time.
[In the formula (1-c), R ₅ represents a hydrogen atom, a linear or branched alkyl group having 1 to 5 carbon atoms, or a linear or branched alkoxy group having 1 to 5 carbon atoms, and R ₆ and R ₇ each independently represents a hydrogen atom, a fluorine atom, a chlorine atom, a linear or branched alkyl group having 1 to 5 carbon atoms, or a linear or branched alkoxy group having 1 to 5 carbon atoms.
[In Formula (1-d), R _{8 to} R ₁₀ are each independently a hydrogen atom, a linear or branched alkyl group having 1 to 5 carbon atoms, or a linear or branched alkoxy group having 1 to 5 carbon atoms. Represents. However, R ₉ and R ₁₀ do not represent a hydrogen atom at the same time.
(Ii) The display-use filter according to (i), wherein the tetraazaporphyrin compound is contained in a transparent adhesive layer.
Furthermore, the present invention provides
(Iii) The present invention relates to a display device comprising the display filter according to any one of (i) to (ii) above.

  According to the present invention, it is possible to provide a filter for use in various displays (for example, a liquid crystal display and a plasma display) having excellent optical characteristics and a durability having a tetraazaporphyrin compound having a substituent having a specific structure. It has become possible.

It is typical sectional drawing of the filter for displays of this invention. It is typical sectional drawing of the filter for displays of this invention. It is typical sectional drawing of the filter for displays of this invention. It is typical sectional drawing of the filter for displays of this invention. It is typical sectional drawing of the filter for displays of this invention. It is typical sectional drawing of the filter for displays of this invention. It is typical sectional drawing of the filter for displays of this invention.

Hereinafter, the present invention will be described in detail.
The present invention relates to a display filter comprising at least one tetraazaporphyrin compound in a substrate or on the substrate surface, and further relates to a display device comprising the filter.
Although it does not specifically limit as tetraazaporphyrins, It is more desirable not to have an absorption maximum in 610-630 nm which is red light emission wavelength. Further, it is more preferable to have excellent compatibility with the base material and moldability, and excellent optical characteristics (for example, light absorption characteristics) and durability (for example, light resistance). A particularly preferred compound is a tetraazaporphyrin compound represented by the general formula (1).

[Wherein, M represents two hydrogen atoms, a divalent metal atom, or a metal oxide atom, and X _{1 to} X ₄ each independently represent a linear or branched alkyl group, or a linear or branched alkoxy group. Y _{1 to} Y ₄ each independently represents a linear or branched alkyl group having 3 to 5 carbon atoms, Formula (1-a), Formula (1-b), Formula (1-c), or Represents a group represented by the formula (1-d)]

[In Formula (1-a), Z ₁ represents a fluorine atom or a chlorine atom, and R ₁ and R ₂ each independently represent a hydrogen atom, a fluorine atom, a chlorine atom, a straight chain or branched chain having 1 to 5 carbon atoms. Or a linear or branched alkoxy group having 1 to 5 carbon atoms]

[In Formula (1-b), Z ₂ represents a fluorine atom or a chlorine atom, and R ₃ and R ₄ each independently represent a hydrogen atom, a fluorine atom, a chlorine atom, a straight chain or branched chain having 1 to 5 carbon atoms. Or a linear or branched alkoxy group having 1 to 5 carbon atoms. However, R ₃ and R ₄ do not represent a hydrogen atom at the same time.

[In the formula (1-c), R ₅ represents a hydrogen atom, a linear or branched alkyl group having 1 to 5 carbon atoms, or a linear or branched alkoxy group having 1 to 5 carbon atoms, and R ₆ and R ₇ each independently represents a hydrogen atom, a fluorine atom, a chlorine atom, a linear or branched alkyl group having 1 to 5 carbon atoms, or a linear or branched alkoxy group having 1 to 5 carbon atoms.

[In Formula (1-d), R _{8 to} R ₁₀ are each independently a hydrogen atom, a linear or branched alkyl group having 1 to 5 carbon atoms, or a linear or branched alkoxy group having 1 to 5 carbon atoms. Represents. However, R ₉ and R ₁₀ do not represent a hydrogen atom at the same time.

  In the tetraazaporphyrin compound represented by the general formula (1), M represents two hydrogen atoms, a divalent metal atom, or a metal oxide atom, preferably a divalent metal atom or a metal oxide atom. It is.

  Specific examples of M include divalent metals such as Cu, Zn, Fe, Co, Ni, Ru, Rh, Pd, Pt, Mn, Mg, Ti, Be, Ca, Ba, Cd, Hg, Pb, and Sn. Metal oxide atoms such as VO, MnO, TiO and the like.

  M is more preferably Cu, Zn, Fe, Co, Ni, Pd, Mn, Mg, VO, TiO, still more preferably Cu, Ni, Pd, VO, and particularly preferably Cu, VO. It is.

In the compound represented by the general formula (1), X _{1 to} X ₄ each independently represents a linear or branched alkyl group or a linear or branched alkoxy group, preferably having 1 to 10 carbon atoms. A linear or branched alkyl group or a linear or branched alkoxy group having 1 to 10 carbon atoms is represented.

Specific examples of X _{1 to} X ₄ in the general formula (1) include, for example, methyl group, ethyl group, n-propyl group, isopropyl group, n-butyl group, isobutyl group, sec-butyl group, tert-butyl. Group, n-pentyl group, isopentyl group, neopentyl group, tert-pentyl group, 1,2-dimethylpropyl group, 1-methylbutyl group, 2-methylbutyl group, n-hexyl group, 1-methylpentyl group, 2-methyl Pentyl group, 4-methylpentyl group, 4-methyl-2-pentyl group, 1,2-dimethylbutyl group, 2,3-dimethylbutyl group, 3,3-dimethylbutyl group, 1-ethylbutyl group, 2-ethylbutyl Group, n-heptyl group, 1-methylhexyl group, 3-methylhexyl group, 5-methylhexyl group, 2,4-dimethylpentyl group, n-octyl group , Tert-octyl group, 1-methylheptyl group, 2-ethylhexyl group, 2-propylpentyl group, 2,5-dimethylhexyl, 2,5,5-trimethylhexyl group, n-nonyl group, 2,2-dimethyl Linear or branched alkyl groups such as heptyl, 2,6-dimethyl-4-heptyl, 3,5,5-trimethylhexyl, n-decyl, 4-ethyloctyl,

  For example, methoxy group, ethoxy group, n-propoxy group, isopropoxy group, n-butoxy group, isobutoxy group, sec-butoxy group, n-pentoxy group, neopentoxy group, n-hexyloxy group, 3,3-dimethylbutyl Examples include linear or branched alkoxy groups such as oxy group, 2-ethylbutyloxy group, n-heptyloxy group, n-octyloxy group, 2-ethylhexyloxy group, n-nonyloxy group, and n-decyloxy group. it can.

X _{1 to} X ₄ are more preferably a linear or branched alkyl group having 1 to 6 carbon atoms, or a linear or branched alkoxy group having 1 to 6 carbon atoms, and more preferably 1 to C 1 carbon atoms. A linear or branched alkyl group having 4 or a linear or branched alkoxy group having 1 to 4 carbon atoms.
X _{1 to} X ₄ are particularly preferably a methyl group, an ethyl group, an isopropyl group, an n-butyl group, a tert-butyl group, a methoxy group, an ethoxy group, an n-propoxy group, or an isobutoxy group.

In the compound represented by the general formula (1), Y _{1 to} Y ₄ are each independently a linear or branched alkyl group having 3 to 5 carbon atoms, the following formulas (1-a) and (1-b ), A group represented by formula (1-c) or formula (1-d).

[In Formula (1-a), Z ₁ represents a fluorine atom or a chlorine atom, and R ₁ and R ₂ each independently represent a hydrogen atom, a fluorine atom, a chlorine atom, a straight chain or branched chain having 1 to 5 carbon atoms. Or a linear or branched alkoxy group having 1 to 5 carbon atoms]

[In Formula (1-b), Z ₂ represents a fluorine atom or a chlorine atom, and R ₃ and R ₄ each independently represent a hydrogen atom, a fluorine atom, a chlorine atom, a straight chain or branched chain having 1 to 5 carbon atoms. Or a linear or branched alkoxy group having 1 to 5 carbon atoms. However, R ₃ and R ₄ do not represent a hydrogen atom at the same time.

[In the formula (1-c), R ₅ represents a hydrogen atom, a linear or branched alkyl group having 1 to 5 carbon atoms, or a linear or branched alkoxy group having 1 to 5 carbon atoms, and R ₆ and R ₇ each independently represents a hydrogen atom, a fluorine atom, a chlorine atom, a linear or branched alkyl group having 1 to 5 carbon atoms, or a linear or branched alkoxy group having 1 to 5 carbon atoms.

[In Formula (1-d), R _{8 to} R ₁₀ are each independently a hydrogen atom, a linear or branched alkyl group having 1 to 5 carbon atoms, or a linear or branched alkoxy group having 1 to 5 carbon atoms. Represents. However, R ₉ and R ₁₀ do not represent a hydrogen atom at the same time.

In the general formula (1), Y _{1 to} Y ₄ each independently represent a linear or branched alkyl group having 3 to 5 carbon atoms, and specific examples thereof include, for example, an n-propyl group, an isopropyl group, and n- Butyl group, isobutyl group, sec-butyl group, tert-butyl group, n-pentyl group, isopentyl group, neopentyl group, tert-pentyl group, 1,2-dimethylpropyl group, 1-methylbutyl group, 2-methylbutyl group, etc. More preferably, n-propyl group, isopropyl group, n-butyl group, isobutyl group, sec-butyl group, tert-butyl group, n-pentyl group, isopentyl group, neopentyl group, tert-pentyl More preferably an n-propyl group, an isopropyl group, an n-butyl group, an isobutyl group, a sec-butyl group, A tert-butyl group.

In General Formula (1), Y _{1 to} Y ₄ each independently represent a group represented by Formula (1-a).
In formula (1-a), Z ₁ represents a fluorine atom or a chlorine atom, and R ₁ and R ₂ are each independently a hydrogen atom, a fluorine atom, a chlorine atom, a straight or branched chain having 1 to 5 carbon atoms. An alkyl group or a linear or branched alkoxy group having 1 to 5 carbon atoms is represented.

Specific examples of the linear or branched alkyl group having 1 to 5 carbon atoms represented by R ₁ and R ₂ include, for example, methyl group, ethyl group, n-propyl group, isopropyl group, n-butyl group, isobutyl. Group, sec-butyl group, tert-butyl group, n-pentyl group, isopentyl group, neopentyl group, tert-pentyl group, 1,2-dimethylpropyl group, 1-methylbutyl group, 2-methylbutyl group and the like. it can.

Specific examples of the linear or branched alkoxy group having 1 to 5 carbon atoms represented by R ₁ and R ₂ include, for example, methoxy group, ethoxy group, n-propoxy group, isopropoxy group, n-butoxy Group, isobutoxy group, sec-butoxy group, n-pentoxy group, neopentoxy group and the like.

In formula (1-a), R ₁ and R ₂ are more preferably a hydrogen atom, a fluorine atom, a chlorine atom, a methyl group, an ethyl group, an n-propyl group, an isopropyl group, an n-butyl group, an isobutyl group, sec-butyl group, tert-butyl group, n-pentyl group, isopentyl group, neopentyl group, tert-pentyl group, methoxy group, ethoxy group, n-propoxy group, isopropoxy group, n-butoxy group, isobutoxy group, sec -Butoxy group, more preferably hydrogen atom, fluorine atom, chlorine atom, methyl group, ethyl group, n-propyl group, isopropyl group, n-butyl group, isobutyl group, sec-butyl group, tert-butyl group , A methoxy group, an ethoxy group, an n-propoxy group, and an isopropoxy group.

  Preferred examples of the group represented by the formula (1-a) include, for example, a 4-fluorophenyl group, a 4-chlorophenyl group, a 3,4-difluorophenyl group, a 3-chloro-4-fluorophenyl group, 3-methyl-4-fluorophenyl group, 3,5-dimethyl-4-fluorophenyl group, 3-isopropyl-4-fluorophenyl group, 3-tert-pentyl-4-fluorophenyl group, 3-tert-pentyl- Examples include 4-chlorophenyl group, 3-methoxy-4-fluorophenyl group, 3,5-diethoxy-4-fluorophenyl group, and 3-n-pentoxy-4-fluorophenyl group, but are not limited thereto. It is not something.

In General Formula (1), Y _{1 to} Y ₄ each independently represent a group represented by Formula (1-b).
In formula (1-b), Z ₂ represents a fluorine atom or a chlorine atom, and R ₃ and R ₄ are each independently a hydrogen atom, a fluorine atom, a chlorine atom, a linear or branched group having 1 to 5 carbon atoms. An alkyl group or a linear or branched alkoxy group having 1 to 5 carbon atoms is represented. However, R ₃ and R ₄ do not represent a hydrogen atom at the same time).

Specific examples of the linear or branched alkyl group having 1 to 5 carbon atoms or the linear or branched alkoxy group having 1 to 5 carbon atoms represented by R ₃ and R ₄ include those in the formula (1-a) The alkyl group illustrated by R < ₁ > and R < ₂ > of this, or an alkoxy group can be mentioned.

In formula (1-b), R ₃ and R ₄ are more preferably a hydrogen atom, a fluorine atom, a chlorine atom, a methyl group, an ethyl group, an n-propyl group, an isopropyl group, an n-butyl group, an isobutyl group, a sec-butyl group, a tert-butyl group, a methoxy group, an ethoxy group, an n-propoxy group, an isopropoxy group, and an n-butoxy group, and more preferably a hydrogen atom, a fluorine atom, a chlorine atom, a methyl group, and an ethyl group. , N-butyl group, methoxy group and ethoxy group.

  Preferred examples of the group represented by the formula (1-b) include, for example, a 2-methyl-4-fluorophenyl group, a 2-methyl-4-chlorophenyl group, a 2-chloro-4-fluorophenyl group, 2,6-dimethyl-4-fluorophenyl group, 2-ethyl-4-fluorophenyl group, 2-ethyl-6-methyl-4-fluorophenyl group, 2,4-dichlorophenyl group, 2,4-difluorophenyl group 2-isopropyl-4-fluorophenyl group, 2-tert-pentyl-4-fluorophenyl group, 2-methoxy-4-fluorophenyl group, 2,6-diethoxy-4-fluorophenyl group, 2-n-pentoxy Although a -4-fluorophenyl group etc. can be mentioned, it is not limited to these.

In General Formula (1), Y _{1 to} Y ₄ each independently represent a group represented by Formula (1-c).
In formula (1-c), R ₅ represents a hydrogen atom, a linear or branched alkyl group having 1 to 5 carbon atoms, or a linear or branched alkoxy group having 1 to 5 carbon atoms.
Specific examples of the linear or branched alkyl group having 1 to 5 carbon atoms or the linear or branched alkoxy group having 1 to 5 carbon atoms represented by R ₅ include R _{1 in} formula (1-a). And an alkyl group exemplified by R ₂ or an alkoxy group.

In formula (1-c), R ₆ and R ₇ are each independently a hydrogen atom, a fluorine atom, a chlorine atom, a linear or branched alkyl group having 1 to 5 carbon atoms, or a linear chain having 1 to 5 carbon atoms. Or represents a branched alkoxy group.
Specific examples of the linear or branched alkyl group having 1 to 5 carbon atoms or the linear or branched alkoxy group having 1 to 5 carbon atoms represented by R ₆ and R ₇ include those in the formula (1-a) The alkyl group illustrated by R < ₁ > and R < ₂ > of this, or an alkoxy group can be mentioned.

In formula (1-c), R ₅ is more preferably a hydrogen atom, a methyl group, an ethyl group, an n-propyl group, an isopropyl group, an n-butyl group, an isobutyl group, a sec-butyl group, or a tert-butyl group. , A methoxy group, an ethoxy group, an n-propoxy group, an isopropoxy group, and an n-butoxy group, and more preferably a hydrogen atom, a methyl group, an ethyl group, an n-butyl group, a methoxy group, and an ethoxy group.

In formula (1-c), R ₆ and R ₇ are more preferably a hydrogen atom, a fluorine atom, a chlorine atom, a methyl group, an ethyl group, an n-propyl group, an isopropyl group, an n-butyl group, an isobutyl group, a sec-butyl group, a tert-butyl group, a methoxy group, an ethoxy group, an n-propoxy group, an isopropoxy group, and an n-butoxy group, and more preferably a hydrogen atom, a fluorine atom, a chlorine atom, a methyl group, and an ethyl group. , N-butyl group, methoxy group and ethoxy group.

  Preferred examples of the group represented by the formula (1-c) include, for example, a phenyl group, a 3-fluorophenyl group, a 3-chlorophenyl group, a 3-methylphenyl group, a 3,5-dimethylphenyl group, 3 -Isopropylphenyl group, 3-tert-pentylphenyl group, 3-methoxyphenyl group, 3,5-diethoxyphenyl group, 3-n-pentoxyphenyl group, 3,5-difluorophenyl group, 3,5-dichlorophenyl Group, 3-methyl-5-fluorophenyl group, 3-methyl-5-chlorophenyl group, 3,4-dimethyl-5-fluorophenyl group, 3-isopropyl-5-fluorophenyl group, 3-tert-pentyl-5 -Fluorophenyl group, 3-methoxy-5-fluorophenyl group, 3,4-diethoxy-5-fluorophenyl group, 3-n Pentoxy-5-fluorophenyl group, 4-methylphenyl group, 3-fluoro-4-methylphenyl group, 3,4-dimethylphenyl group, 3,4,5-trimethylphenyl group, 3-isopropyl-4-methylphenyl group Group, 3-tert-pentyl-4-ethylphenyl group, 3-methoxy-4-methylphenyl group, 3,5-diethoxy-4-n-pentylphenyl group, 3-n-pentoxy-4-methylphenyl group, 4-methoxyphenyl group, 3-fluoro-4-methoxyphenyl group, 3,4-dimethoxyphenyl group, 3,5,5-dimethyl-4-methoxyphenyl group, 3-isopropyl 4-methoxyphenyl group, 3-tert- Pentyl-4-ethoxyphenyl group, 3,5-diethoxy-4-n-pentoxyphenyl group, 3-n-pentoxy-4 And the like can be mentioned methoxyphenyl group, but is not limited thereto.

In General Formula (1), Y _{1 to} Y ₄ each independently represent a group represented by Formula (1-d).
In formula (1-d), R _{8 to} R ₁₀ represent a hydrogen atom, a linear or branched alkyl group having 1 to 5 carbon atoms, or a linear or branched alkoxy group having 1 to 5 carbon atoms. However, R ₉ and R ₁₀ do not represent a hydrogen atom at the same time.

Specific examples of the linear or branched alkyl group having 1 to 5 carbon atoms or the linear or branched alkoxy group having 1 to 5 carbon atoms represented by R _{8 to} R ₁₀ include those in the formula (1-a) The alkyl group illustrated by R < ₁ > and R < ₂ > of this, or an alkoxy group can be mentioned.

In formula (1-d), R _{8 to} R ₁₀ are more preferably a hydrogen atom, methyl group, ethyl group, n-propyl group, isopropyl group, n-butyl group, isobutyl group, sec-butyl group, tert. -Butyl group, methoxy group, ethoxy group, n-propoxy group, isopropoxy group, n-butoxy group, more preferably hydrogen atom, methyl group, ethyl group, n-butyl group, methoxy group, ethoxy group is there.

  In addition, preferable specific examples of the group represented by the formula (1-d) include, for example, 2-methylphenyl group, 2,6-dimethylphenyl group, 2-ethylphenyl group, 2-ethyl-6-methyl. Phenyl group, 2-isopropylphenyl group, 2-tert-pentylphenyl group, 2-methoxyphenyl group, 2,6-diethoxyphenyl group, 2-n-pentoxyphenyl group, 2,4-dimethylphenyl group, 2 , 4,6-trimethylphenyl group, 2-ethyl-4-methylphenyl group, 2-ethyl-6-methyl-4-ethylphenyl group, 2-isopropyl-4-n-propylphenyl group, 2-tert-pentyl -4-methylphenyl group, 2-methoxy-4-ethylphenyl group, 2,6-diethoxy-4-methylphenyl group, 2-n-pentoxy-4-tert Butylphenyl group, 2-methyl-4-methoxyphenyl group, 2,6-dimethyl-4-methoxyphenyl group, 2-ethyl-4-ethoxyphenyl group, 2-ethyl-6-methyl-4-methoxyphenyl group, 2-isopropyl-4-ethoxyphenyl group, 2-tert-pentyl-4-n-pentoxyphenyl group, 2,4-dimethoxyphenyl group, 2,6-diethoxy-4-methoxyphenyl group, 2-n-pentoxy Examples thereof include, but are not limited to, a -4-n-butoxyphenyl group.

The tetraazaporphyrin compound represented by the general formula (1) is preferably represented by the following general formula (1-0) to general formula (1-4) according to the types of Y _{1 to} Y _4. It can be classified into compounds.
[In the formula (1-0), X _{1 to} X ₄ and M represent the same meaning as in the general formula (1), and R ₀ represents a linear or branched alkyl group having 3 to 5 carbon atoms. ]

[In the formula (1-1), X _{1 to} X ₄ and M represent the same meaning as in the general formula (1), and Z ₁ , R ₁ and R ₂ have the same meaning as in the formula (1-a). Represents. ]

[In the formula (1-2), X _{1 to} X ₄ and M represent the same meaning as in the general formula (1), and Z ₂ , R ₃ and R ₄ have the same meaning as in the formula (1-b). Represents. ]

[In Formula (1-3), X _{1 to} X ₄ and M represent the same meaning as in Formula (1), and R _{5 to} R ₇ represent the same meaning as in Formula (1-c)]

[In formula (1-4), X _{1 to} X ₄ and M represent the same meaning as in formula (1), and R _{8 to} R ₁₀ represent the same meaning as in formula (1-d).]

Specific examples of the tetraazaporphyrin compound represented by the general formula (1) are shown in the following Table-A (Table-A-1 to Table-A-7), but the present invention is not limited thereto.

<Method for producing tetraazaporphyrin compound>
The tetraazaporphyrin compound represented by the general formula (1) can be produced with reference to a method known per se.
That is, the compound represented by the general formula (1) includes, for example, a compound represented by the general formula (2) to the general formula (5), a metal or a metal salt (for example, a metal halide or a metal carboxylate). Optionally with a base (eg, ammonium molybdate, 1,8-diazabicyclo [5.4.0] -7-undecene, 1,5-diazabicyclo [4.3.0] -5-nonene, trialkylamine, (For example, U.S. Pat. No. 2,850,505, British Patent No. 689387, J. MoI.). Gen. Chem. USSR, 47, 1954 (1977), Japanese Patent Application Laid-Open No. 11-43619, and Japanese Patent Application Laid-Open No. 2006-321925].

[Wherein, X _{1 to} X ₄ and Y _{1 to} Y ₄ represent the same meaning as in the general formula (1)]

In addition, the compound represented by General formula (2)-General formula (5) can be manufactured with reference to a method known per se.
As an example, for example, the compound represented by the general formula (2) is, for example, a compound represented by the general formula (6) and a compound represented by the general formula (7), or the general formula (8). A compound represented by formula (9) and an acidic catalyst (for example, acetic acid, titanium tetrachloride, zinc chloride, boron trifluoride) and a basic catalyst (for example, pyridine, piperidine, N-methyl) It can be produced by reacting in the presence of piperidine, N-methylmorpholine, triethylamine, sodium acetate, potassium acetate, ammonium acetate, sodium carbonate, potassium carbonate) [for example, in JP-A-11-43619 Can be produced according to the methods described].

[Wherein, X ₁ and Y ₁ represent the same meaning as in the general formula (1)]
The compound represented by the general formula (2) can be produced, for example, by reacting the compound represented by the general formula (10) with phosphorus oxychloride [see, for example, J. Org. Chem. Soc. , 4839 (1952)].

[Wherein, X ₁ and Y ₁ represent the same meaning as in the general formula (1)]
Furthermore, the compound represented by the general formula (2) can be produced, for example, by reacting the compound represented by the general formula (11) with copper cyanide [for example, J. Org. Gen. Chem. USSR, 47, 1954 (1977)].

[Wherein, X ₁ and Y ₁ represent the same meaning as in the general formula (1)]
When a compound represented by the general formula (1) is produced by reacting the compound represented by the general formula (2) to the general formula (5) with, for example, a metal or a metal salt, A plurality of isomers are formed.
In the present specification, the compound represented by the general formula (1) is actually one compound selected from the compounds represented by the general formula (1-A) to the general formula (1-D). Or a mixture composed of two or more isomers [for example, Chemistry of Heterocyclic Compounds, 24, 1043 (1988), JP-A-11-43619].
In describing the structure of such a mixture of a plurality of isomers, for the sake of convenience, in this specification, for example, one structural formula represented by the general formula (1-A) is described. .

[Wherein, X _{1 to} X ₄ , Y _{1 to} Y ₄ and M represent the same meaning as in the general formula (1)]
As a specific example, for example, the compound having the structure described as the compound of exemplary compound number (P-2) is selected from compounds represented by formula (P-2-A) to formula (P-2-D) 1 It represents a compound of a kind or a mixture of two or more isomers.

The tetraazaporphyrin compound represented by the general formula (1) includes not only crystals but also amorphous (amorphous), preferably a compound having an absorption maximum at 550 to 620 nm, More preferably, a compound having an absorption maximum at 570 to 605 nm can be suitably used for the display filter of the present invention.
In addition, the tetraazaporphyrin compound represented by General formula (1) may be used individually by 1 type as a mixture which consists of several isomers, or may use several types together.
Further, if desired, each isomer can be separated from the mixture, and one of the isomers can be used alone, or a plurality of isomers having an arbitrary ratio can be used. it can.

<Filter for display>
The display filter of the present invention is characterized in that it contains at least one tetraazaporphyrin compound represented by the general formula (1) having a substituent having a specific structure in the substrate or on the substrate surface. The base material as used in the field of this invention means each layer which consists of various members or a film | membrane which comprises the display filter of this invention.
Although it does not specifically limit as a base material, Generally, a functional transparent layer (A), a base | substrate (B), and a transparent adhesion layer (C) are mentioned, A functional transparent layer (A), a base | substrate (B) And at least one layer or member constituting the transparent adhesive layer (C) contains at least the tetraazaporphyrin compound represented by the general formula (1). In the present specification, the inclusion of the tetraazaporphyrin compound represented by the general formula (1) in the display filter is, of course, contained in each layer composed of various members or films. It includes the state of being applied to the surface of each layer.

Although there is no restriction | limiting in particular as a method to contain the tetraaza porphyrin compound represented by General formula (1) in the filter for a display, For example, there exists the method of the following (a)-(c).
(A) A method of adding to a transparent adhesive and causing it to be contained in a transparent adhesive layer (C)
(C) a method of coating a polymer molded body or glass surface;
Etc.
In addition, although there is no restriction | limiting in particular as embodiment of the filter for displays of this invention, It is preferable to contain the tetraaza porphyrin compound and resin represented by General formula (1). The resin may be used as a pressure-sensitive adhesive or a binder, or may be polymerized after the resin monomer contains the tetraazaporphyrin compound according to the present invention.

  In the method (a), the content of the tetraazaporphyrin compound represented by the general formula (1) is not particularly limited, but is generally 10 ppm to 30% by mass, preferably based on the transparent adhesive. Is from 10 ppm to 20 mass%. Specific examples of the transparent adhesive include acrylic adhesive, silicone adhesive, urethane adhesive, polyvinyl butyral adhesive (PVB), ethylene-vinyl acetate adhesive (EVA), polyvinyl ether, saturated A sheet-like or liquid pressure-sensitive adhesive such as amorphous polyester and melamine resin can be mentioned, among which an acrylic pressure-sensitive adhesive, a urethane-based pressure-sensitive adhesive, and a polyvinyl butyral-based pressure-sensitive adhesive are preferable.

  In the method (a), the content of the tetraazaporphyrin compound represented by the general formula (1) is not particularly limited, but is generally 10 ppm to 30 mass with respect to the polymer resin or resin monomer. %, Preferably 10 ppm to 20% by mass.

Specific examples of the polymer molded body in (a) are preferably as highly transparent as possible when produced in the form of a plate or film. Specifically, polyethylene terephthalate (PET), polyethersulfone (PES) ), Polyethylene naphthalate, Polyarylate, Polyetherketone, Polycarbonate, Polyethylene, Polypropylene, Nylon 6 and other polyamides, Polyimide, Triacetylcellulose and other cellulose resins, Polyurethane, Polytetrafluoroethylene and other fluororesins, Polyvinyl chloride Vinyl compounds such as polyacrylic acid, polyacrylic acid esters, polyacrylonitrile, addition polymers of vinyl compounds, polymethacrylic acid, polymethacrylic acid esters, polyvinylidene chloride and other vinylidene compounds, vinylidene fluoride / t Fluoroethylene copolymer, copolymers of ethylene / vinyl compound-vinyl acetate copolymer, or a fluorine-based compound, polyether such as polyethylene oxide, epoxy resins, polyvinyl alcohol, and polyvinyl butyral.
As processing conditions, the tetraazaporphyrin compound according to the present invention is added to a base polymer powder or pellet, mixed, heated and dissolved at 150 to 350 ° C., and then molded to produce a plate, extrusion Examples thereof include a method of forming a film with a machine and a method of preparing a raw material with an extruder and stretching the film from 1 to 2 axes at 30 to 120 ° C. 2 to 5 times to form a film having a thickness of 10 to 200 μm. In addition, when kneading, an additive used for ordinary resin molding such as plasticity may be added.
Further, the tetraazaporphyrin compound represented by the general formula (1) is added and dissolved in an organic solvent solution or an organic solvent of a resin or a resin monomer, and if necessary, a plasticizer, a polymerization initiator and an antioxidant are added. And a method of pouring onto a mold or drum having a required surface state and volatilizing / drying the solvent or volatilizing / drying the polymerization / solvent.
Examples of resins used include aliphatic ester resins, acrylic resins, melamine resins, urethane resins, aromatic ester resins, polycarbonate resins, aliphatic polyolefin resins, aromatic polyolefin resins, polyvinyl resins, polyvinyl alcohol resins, Examples thereof include polyvinyl modified resins (PVA, EVA, etc.) or resin monomers of those copolymer resins. Examples of the solvent include halogen-based, alcohol-based, ketone-based, ester-based, aliphatic hydrocarbon-based, aromatic hydrocarbon-based, ether-based solvents, and mixtures thereof.

  In the method (c), the content of the tetraazaporphyrin compound represented by the general formula (1) is not particularly limited, but is generally 10 ppm to 30% by mass with respect to the binder resin, preferably Is from 10 ppm to 20 mass%. Moreover, generally binder resin density | concentration is 1-50 mass% with respect to the whole coating material.

Examples of the method (c) include a method in which the tetraazaporphyrin compound represented by the general formula (1) is dissolved in a binder resin and an organic solvent and then formed into a paint, and the binder is an aliphatic ester resin. Acrylic resin, melamine resin, urethane resin, aromatic ester resin, polycarbonate resin, aliphatic polyolefin resin, aromatic polyolefin resin, polyvinyl resin, polyvinyl alcohol resin, polyvinyl modified resin (PVB, EVA, etc.) or Examples thereof include copolymer resins thereof. Examples of the solvent include halogen-based, alcohol-based, ketone-based, ester-based, aliphatic hydrocarbon-based, aromatic hydrocarbon-based, ether-based solvents, and mixtures thereof. The paint produced by the above method forms a thin film on the polymer molded body or glass surface by a known method such as a bar coder, blade coater, spin coater, reverse coater, die coater, or spray coating method. By doing so, it can be applied.
The embodiment of the display filter of the present invention is not particularly limited, but the method (a) in which the tetraazaporphyrin compound represented by the general formula (1) is contained in the transparent adhesive layer (C), It is preferable because adhesiveness and a desired display filter function coexist.

In the display filter of the present invention, in addition to the tetraazaporphyrin compound represented by the general formula (1), one or more light absorbing compounds can be used in combination as long as the desired effects of the present invention are not impaired. Examples of such a light absorbing compound include, but are not limited to, compounds having desired absorption in the visible light region, such as anthraquinone compounds, phthalocyanine compounds, methine compounds, azomethine compounds, oxazine compounds, Examples include azo compounds, styryl compounds, coumarin compounds, porphyrin compounds, dibenzofuranone compounds, diketopyrrolopyrrole compounds, rhodamine compounds, xanthene compounds, and pyromethene compounds. When the display filter of the present invention is in the form of a near infrared cut filter, one or more near infrared absorbing compounds may be further contained.
In addition, as a near-infrared absorption compound, Preferably, it is a compound which has an absorption maximum in about 800-1100 nm. The near-infrared absorbing compound is not particularly limited. For example, phthalocyanine compounds (for example, metal phthalocyanine complexes), naphthalocyanine compounds (for example, metal naphthalocyanine complexes), anthraquinone compounds, dithiol compounds (for example, nickel dithiol) Complex) and diimonium salt compounds. The concentration of these light-absorbing compounds and near-infrared-absorbing compounds should be set arbitrarily in consideration of the absorption wavelength and extinction coefficient of the compound, and the desired optical characteristics (for example, color purity and transmission characteristics) of the display filter. Can do.

The display filter of the present invention includes a plasma display, a liquid crystal display, an organic electroluminescence display, an FED (Field Emission Display), a CRT (Cathode Ray).
This is a filter applicable to various displays such as Tube) and is used by being mounted on various displays. In addition, in a liquid crystal display, it can apply to various aspects, such as a transmission type and a reflection type, for example.

  The display filter of the present invention has excellent transmission characteristics and the like without significantly impairing the brightness and visibility of the plasma display, and can improve the optical characteristics (for example, color purity and contrast) of the plasma display. In addition, the optical characteristics (for example, color purity) of the liquid crystal display can be improved. Furthermore, the display filter of the present invention includes a light control film that corrects the visible light spectrum of the display screen, and a transparent conductive layer (D) having a surface resistance of 0.01 to 30Ω / □, thereby preventing electromagnetic waves from the display screen. An electromagnetic shielding body having the property of blocking, and a near-infrared cut filter having the property of blocking near-infrared rays from the display screen by containing a near-infrared absorbing compound having an absorption maximum at a wavelength of about 800 to 1100 nm Can function.

<Components of display filter>
For example, when the display filter of the present invention is applied to a plasma display, in general, a functional transparent layer (A) provided on the outside air side and a transparent adhesive layer provided on the display side and adhered to the screen A substrate (B) is provided between (C) and the functional transparent layer (A) and the transparent adhesive layer (C). Further, for the purpose of shielding electromagnetic waves generated from the plasma display, the filter may further be provided with a transparent conductive layer (D). In this case, the transparent conductive layer (D) is provided between the functional transparent layer (A) and the substrate (B). The transparent conductive layer (D) may be provided between the substrate (B) and the transparent adhesive layer (C).
Of course, various other configurations can be made in consideration of desired required characteristics. For example, a hard coat layer (E) and a further transparent adhesive layer (C) can be provided. Moreover, it can also be set as the filter which provides a some functional transparent layer (A). These layers may also contain a tetraazaporphyrin compound represented by the general formula (1).

  For example, when the display filter of the present invention is applied to a liquid crystal display, generally, a filter comprising a substrate (B), a filter comprising a transparent adhesive layer (C), a substrate (B) and a transparent adhesive layer (C). And a filter composed of a base (B) and a functional transparent layer (A), etc., and is provided in an arbitrary path from the light source in the liquid crystal display to the outermost surface of the visual recognition part. For example, in the case of a transmissive liquid crystal display, the filter is of course on the liquid crystal display screen. For example, a light guide plate, a backlight, a polarizing plate, a color filter, etc. are provided via a transparent adhesive layer (C), for example. Can be provided.

Hereinafter, components of the display filter of the present invention will be described.
<Functional transparent layer (A)>
The display filter of the present invention has an antireflection function, an antiglare function, an antireflection antiglare function, a hard coat function (friction resistance function), an antistatic function, an antistatic function, depending on the installation method for the display and the required functions. A functional transparent layer (A) that has one or more of a fouling function, a gas barrier function, and an ultraviolet cut function and transmits visible light is provided. In the display filter represented by the general formula (1), if the functional transparent layer (A) is disposed on the front surface of the display device, the adhesive is applied to the substrate (B) disposed on the front surface of the display device. It may be used by directly attaching via a layer, or may be disposed between other functional layers or the substrate (B) and used to bond these layers.
The functional transparent layer (A) is a functional film itself having one or more of the above functions, or a support formed by applying a functional film to a coating method, a printing method, or various conventionally known film forming methods, A functional support can be used. The support is preferably a transparent support, and is generally a transparent glass or a transparent polymer film. In addition, as a transparent polymer film, the transparent polymer film illustrated by the base | substrate (B) mentioned later can be mentioned, for example. The thickness of the support is not particularly limited.
The functional transparent layer (A) has an anti-reflection (AR: anti-reflection) function for suppressing external light reflection, an anti-glare (AG: anti-glare) function, or both functions. It is preferable to have any of the functions.

  The functional transparent layer (A) having an antireflection function is to determine the constituent members of the antireflection film and the film thickness of each constituent member by optical design in consideration of the optical characteristics of the support that forms the antireflection film. Can do. As the functional transparent layer (A) having an antireflection function, for example, a thin film made of a fluorine-based transparent polymer resin, magnesium fluoride, silicon-based resin, silicon oxide or the like having a refractive index of 1.5 or less in the visible light region is used. , For example, a single layer formed with an optical film thickness of ¼ wavelength, or an inorganic compound thin film made of metal oxide, fluoride, silicide, boride, carbide, nitride, sulfide, etc. having different refractive index, Alternatively, an organic compound thin film made of a silicon-based resin, an acrylic resin, a fluorine-based resin, or the like is viewed from the support, and two or more layers are laminated in the order of a high refractive index layer and a low refractive index layer. As a method for forming the inorganic compound thin film, for example, a known method such as a sputtering method, an ion plating method, a vacuum deposition method, or a wet coating method can be applied. As a method for forming the organic compound thin film, for example, a known method such as a bar coating method, a reverse coating method, a gravure coating method, a die coating method, a roll coating method, or a comma coating method can be applied. The visible light reflectance of the surface of the functional transparent layer (A) having an antireflection function is generally adjusted to 2% or less, preferably 1.3% or less, more preferably 0.8% or less. To do.

The functional transparent layer (A) having an antiglare function is generally a transparent layer with respect to a visible light region having a minute uneven surface state of about 0.1 μm to 10 μm. The functional transparent layer (A) having an antiglare function is, for example, a thermosetting resin such as an acrylic resin, a silicon resin, a melamine resin, a urethane resin, an alkyd resin, a fluorine resin, or a photocurable resin. Inorganic resin particles such as silica and organosilicon compounds or organic compounds particles such as melamine and acrylic dispersed in a resin to form an ink, for example, bar coating method, reverse coating method, gravure coating method, die coating method, It can be formed by applying and curing on a support by a method such as a roll coating method or a comma coating method. The average particle diameter of the inorganic compound particles and the organic compound particles is generally 1 to 40 μm. In addition, the functional transparent layer (A) having an antiglare function is, for example, a thermosetting resin such as an acrylic resin, a silicon resin, a melamine resin, a urethane resin, an alkyd resin, a fluorine resin, or light. It can be formed by applying a curable resin on a support and then pressing a mold having a desired haze or surface state to cure the surface to irregularities. The haze value that serves as an index of the antiglare function is generally 0.5 to 20%.
The functional transparent layer (A) having an antireflection antiglare function can be prepared by forming an antireflection film on a film having an antiglare function or a support having an antiglare function. The visible light reflectance of the surface of the functional transparent layer (A) having an antireflection antiglare function is generally adjusted to 1.5% or less, preferably 1.0% or less.
For the purpose of adding scratch resistance to the display filter of the present invention, it is preferable that the functional transparent layer (A) has a hard coat function (friction resistance function). The functional transparent layer (A) having a hard coat function can be prepared by forming a film having a hard coat function or a hard coat film on a support. Examples of the hard coat film include thermosetting resins such as acrylic resins, silicon resins, melamine resins, urethane resins, alkyd resins, and fluorine resins, or photocurable resins. The thickness of the hard coat film is generally about 1 to 100 μm. The hard coat film can also be used for a high refractive index layer or a low refractive index layer of a transparent functional layer having an antireflection function. Further, an antireflection film may be formed on the hard coat film, and the functional transparent layer (A) may have both functions of an antireflection function and a hard coat function. Similarly, the functional transparent layer (A) may have both functions of an antiglare function and a hard coat function.
The functional transparent layer (A) having both the antiglare function and the hard coat function can be prepared, for example, by forming an antireflection film on a hard coat film having irregularities by dispersing particles or the like. it can. As for the surface hardness of the functional transparent layer (A) having a hard coat function, the pencil hardness according to JISK5600 is at least H, preferably 2H or more.

Generally, a display filter is easily charged with static electricity, and an antistatic function may be required in consideration of prevention of dust adhesion and prevention of adverse effects on the human body. In this case, in order to provide an antistatic function, the functional transparent layer (A) may have a certain conductivity. In general, the conductivity may be about 1011Ω / □ or less in terms of surface resistance. Examples of the conductive material include known transparent conductive films such as ITO (Indium Tin Oxide), and conductive films in which conductive ultrafine particles such as ITO ultrafine particles and tin oxide ultrafine particles are dispersed. Further, the layer constituting the functional transparent layer (A) having at least one of the antireflection function, the antiglare function, the antireflection antiglare function, and the hard coat function has conductivity. Is preferred. It is preferable that the functional transparent film has a gas barrier function with respect to, for example, environmental substances or moisture. The required gas barrier function is generally 10 g / m ² · day or less in terms of moisture permeability. Examples of the film having a gas barrier function include silicon oxide, aluminum oxide, tin oxide, indium oxide, yttrium oxide, magnesium oxide, or a mixture thereof, or a metal oxide thin film obtained by adding other elements to these, Examples thereof include films made of various resins such as vinylidene chloride, acrylic resin, silicon resin, melamine resin, urethane resin, and fluorine resin. The thickness of the film having a gas barrier function is generally 10 to 200 nm in the case of a metal oxide thin film, and is generally 1 to 100 μm in the case of a resin. Note that the film having a gas barrier function may have a single-layer structure or a multilayer structure. Examples of the film having a gas barrier function against moisture include, for example, polyethylene, polypropylene, nylon, polyvinylidene chloride, vinylidene chloride and vinyl chloride, vinylidene chloride and acrylonitrile copolymers, and various resins such as fluorine resins. Mention may be made of membranes.
In addition, the layer constituting the functional transparent layer (A) having any one or more of an antireflection function, an antiglare function, an antireflection antiglare function, an antistatic function, and a hard coat function is further provided with a gas barrier function. It can be set as the layer which serves as. Furthermore, an antifouling function can be imparted to the surface of the functional transparent layer (A) so that dirt such as fingerprints can be prevented or removed easily. The compound having an antifouling function is a compound having non-wetting properties with respect to water and / or fats and oils, and examples thereof include fluorine compounds and silicon compounds.

  In addition, for example, an inorganic thin film single layer that absorbs ultraviolet rays, an antireflection film composed of an inorganic thin film multilayer, or a transparent film that contains an ultraviolet absorbing compound is formed on the functional transparent layer (A). The layer (A) can be further provided with an ultraviolet cut function. When the functional transparent layer (A) is the functional film itself, for example, the functional transparent layer (D) may be formed on the main surface of the transparent conductive layer (D) by various film forming methods such as a coating method and a printing method. When (A) is a transparent substrate (B) on which a functional film is formed and a transparent substrate (B) having each function, it may be formed on the main surface of the transparent conductive layer (D), for example.

<Substrate (B)>
The substrate (B) functions as a filter support, and generally transparent glass or transparent polymer film is used in the visible light region. Examples of the transparent polymer film include polyethylene terephthalate, polyether sulfone, polystyrene, polyethylene naphthalate, polyarylate, polyether ether ketone, polycarbonate, polyethylene, polypropylene, nylon 6 and other celluloses, polyimide, triacetyl cellulose and the like. Resins, polyurethane resins, fluorine resins such as polytetrafluoroethylene, vinyl compounds such as polyvinyl chloride, polyacrylic acid, polyacrylic acid esters, polyacrylonitrile, addition polymers of vinyl compounds, polymethacrylic acid, polymethacrylic acid esters , Vinylidene compounds such as polyvinylidene chloride, vinyl compounds such as vinylidene fluoride / trifluoroethylene copolymer, ethylene / vinyl acetate copolymer Or copolymers of fluorine-based compound, polyether such as polyethylene oxide, epoxy resins, polyvinyl alcohol, polyvinyl butyral, but is not limited thereto. The substrate (B) generally has a thickness of 10 to 250 μm, preferably 50 to 250 μm.
The substrate (B) is preferably a flexible transparent polymer film from the viewpoint of production efficiency. Further, a filter having a substrate (B) with the transparent polymer film directly bonded to the display surface is used. When the substrate glass of the display is broken, there is an advantage that the glass can be prevented from scattering. In the present invention, the surface of the substrate (B) may be subjected to etching treatment such as sputtering treatment, corona treatment, flame treatment, ultraviolet ray irradiation and electron beam irradiation, or undercoating treatment.

A hard coat layer (E) may be formed on at least one main surface of the substrate (B). Examples of the hard coat film to be the hard coat layer (E) include thermosetting resins such as acrylic resins, silicon resins, melamine resins, urethane resins, alkyd resins, and fluorine resins, or photocurable types. Resin etc. are mentioned. The thickness of the hard coat layer (E) is about 1 to 100 μm. Further, the hard coat layer (E) may contain one or more tetraazaporphyrin compounds represented by the general formula (1).
The display filter of the present invention, in particular the plasma display filter, preferably functions as an electromagnetic wave shield having the property of shielding electromagnetic waves from the display screen. The plasma display filter includes a functional transparent layer (A), In addition to the substrate (B) and the transparent adhesive layer (C), a transparent conductive layer (D) is preferably further provided.

<Transparent conductive layer (D)>
When the display filter is in the form of an electromagnetic wave shield, a transparent conductive layer (D) is formed on one main surface of the substrate (B). The transparent conductive layer (D) in the present invention is a transparent conductive layer (D) composed of a single layer or a multilayer thin film. In the electromagnetic wave shield, the transparent conductive layer (D) needs to be electrically connected to the outside. For example, the functional transparent layer (A), the transparent adhesive layer (C) and the like are transparent conductive layer (D). Therefore, it is necessary to secure the conduction part while leaving the peripheral part. As the single transparent conductive layer (D), there are a conductive mesh such as a metal mesh and a conductive lattice pattern film, and a transparent conductive thin film such as a metal thin film and an oxide semiconductor thin film. As the transparent conductive layer (D) composed of a multilayer thin film, there is a multilayer thin film in which a metal thin film and a high refractive index transparent thin film are laminated. Multi-layer thin film composed of metal thin film and high refractive index transparent thin film prevents the reflection of metal in the specific wavelength region by the high-refractive index transparent thin film, the conductivity of silver and other metals and the near-infrared reflection characteristics due to free electrons. Since it can be performed, it has preferable characteristics with respect to conductivity, near-infrared cut function, and visible light transmittance. In order to obtain a display filter having an electromagnetic wave shielding function and a near-infrared cut function, a metal thin film having a high conductivity for electromagnetic wave absorption and a reflective interface for electromagnetic wave reflection and a high refractive index transparent thin film were laminated. The transparent conductive layer (D) composed of a multilayer thin film is preferred. In order to have an electromagnetic wave shielding function necessary for a plasma display in addition to high visible light transmittance and low visible light reflectance, the transparent conductive layer (D) generally has a surface resistance of 0.01 to 30 Ω / □. Preferably, it is 0.1 to 15Ω / □, and more preferably 0.1 to 5Ω / □. Also, the transparent conductive layer (D) itself can be provided with a near-infrared cut function, and the light transmittance minimum in the near-infrared wavelength region, for example, 800 to 1100 nm can be reduced to 20% or less.

In the present invention, the transparent conductive layer (D) is preferably (Dt) / (Dm) in the order of the high refractive index transparent thin film layer (Dt) and the metal thin film layer (Dm) on one main surface of the substrate (B). Is repeated 2 to 4 times, and is formed by further laminating at least a high refractive index transparent thin film layer thereon, and the surface resistance of the transparent conductive layer (D) is 0.1-5 Ω / □. It is. The material for the metal thin film layer is preferably silver, gold, platinum, palladium, copper, indium, tin, or an alloy of silver and gold, platinum, palladium, copper, indium or tin. Although the content rate of the silver in the alloy containing silver is not specifically limited, Generally, it is 50 to less than 100 mass%. In the case of a metal thin film composed of a plurality of layers, at least one layer should be used without alloying silver, or only the metal thin film layer in the first layer and / or the outermost layer as viewed from the substrate (B). It can be a silver alloy. The metal thin film layer is required to be in a continuous state rather than a discontinuous island structure from the viewpoint of conductivity, and the thickness is preferably 4 to 30 nm. In the case of a metal thin film composed of a plurality of layers, it is not necessary that all the layers have the same thickness, and further, all the layers may not be silver or a silver alloy having the same composition. Examples of the method for forming the metal thin film layer include known methods such as sputtering, ion plating, vacuum deposition, and plating.
The transparent thin film forming the high refractive index transparent thin film layer is not particularly limited as long as it has transparency in the visible light region and has a function of preventing light reflection in the visible light region of the metal thin film layer. In general, a material having a refractive index with respect to visible light of 1.6 or more, preferably 1.8 or more is used. Examples of the material for forming such a transparent thin film include oxides such as indium, titanium, zirconium, bismuth, tin, zinc, antimony, tantalum, cerium, neodymium, lanthanum, thorium, magnesium, gallium, and the like. And zinc sulfide, and more preferably zinc oxide, titanium oxide, indium oxide, and a mixture of indium oxide and tin oxide (ITO). The thickness of the high refractive index transparent thin film layer is not particularly limited, but is generally 5 to 200 nm. Examples of the method for forming the high refractive index transparent thin film layer include known methods such as sputtering, ion plating, ion beam assist, vacuum deposition, and wet coating. For the purpose of improving the environmental resistance of the transparent conductive layer (D), a protective layer made of an organic or inorganic material on the surface of the transparent conductive layer (D) to such an extent that various properties such as conductivity and optical properties are not significantly impaired. Can be provided. In addition, in order to improve the environmental resistance of the metal thin film layer and the adhesion between the metal thin film layer and the high refractive index transparent thin film layer, conductivity, optical characteristics, etc. are provided between the metal thin film layer and the high refractive index transparent thin film layer. An inorganic layer can be provided to such an extent that these properties are not impaired. In addition, as a material which forms an inorganic substance layer, copper, nickel, chromium, gold | metal | money, platinum, zinc, zirconium, titanium, tungsten, tin, palladium etc. or the alloy which consists of 2 or more types of these materials is mentioned, for example. . The thickness of the inorganic layer is preferably about 0.2 to 2 nm. As a method for forming the transparent conductive layer (D), there is a method using a conductive mesh in addition to a method using a transparent conductive thin film. A single-layer metal mesh will be described as an example of the conductive mesh. As a single-layer metal mesh, for example, there is one in which a copper mesh layer is formed on a substrate (B). Generally, a copper foil is pasted on a substrate (B) and then processed into a mesh shape. Is done. As the copper foil, rolled copper or electrolytic copper is used, and a porous copper foil having a pore diameter of 0.5 to 5 μm is preferable. The porosity of the copper foil is preferably 0.01 to 20%, more preferably 0.02 to 5%. The porosity is a value defined by P / R where R is the volume and P is the pore volume. The copper foil may be subjected to various surface treatments (for example, chromate treatment, roughening treatment, pickling, zinc / chromate treatment). The thickness of the copper foil is generally 3 to 30 μm. The aperture ratio of the light transmission portion of the metal mesh is generally 60 to 95%. The shape of the opening is not particularly limited, but it is preferably in the form of a regular triangle, a regular square, a regular hexagon, a circle, a rectangle, a rhombus, and the like, and is arranged in the plane. In general, it is preferable that one side or diameter of the opening of the light transmitting portion is 5 to 200 μm. Further, the width of the metal in the portion where the opening is not formed is preferably 5 to 50 μm. The substantial sheet resistance of the metal layer having the light transmitting portion is preferably 0.01 to 0.5Ω / □. In order to electrically connect the transparent conductive layer (D) and the earth portion (ground conductor) of the display device, a conductive adhesive layer is provided.

Examples of conductive adhesives and conductive adhesives used for the conductive adhesive layer include acrylic adhesives, silicon adhesives, urethane adhesives, polyvinyl butyral adhesives (PVB), and ethylene-vinyl acetate adhesives. There are materials in which metal particles such as carbon, Cu, Ni, Ag, and Fe are dispersed as conductive particles in a base material such as (EVA), polyvinyl ether, saturated polyester, and melamine resin. In addition, generally the volume specific resistance of a conductive adhesive and a conductive adhesive is 1 * 10 < ^-4 > -1 * 10 < ³ > ohm * cm. Examples of the conductive adhesive and the conductive pressure-sensitive adhesive include a sheet form and a liquid form. As the conductive adhesive, a sheet-like pressure sensitive adhesive can be suitably used. After pasting the sheet-like pressure-sensitive adhesive or after applying the adhesive, it is laminated and pasted. The liquid conductive adhesive can be cured by treatment at room temperature or high temperature after application and bonding, or by irradiation with ultraviolet rays. Examples of the method for applying the liquid conductive adhesive include a screen printing method, a bar coating method, a reverse coating method, a gravure coating method, a die coating method, a roll coating method, and a comma coating method. In addition, the thickness of the conductive adhesive layer is set in consideration of the volume resistivity and necessary conductivity, and is generally 0.5 to 50 μm, preferably 1 to 30 μm. A double-sided adhesive type conductive tape having conductivity on both sides can also be used.

<Transparent adhesive layer (C)>
In this invention, a transparent adhesion layer (C) is a layer which consists of arbitrary transparent adhesives (an adhesive agent, an adhesive). The transparent adhesive layer (C) is, for example, an acrylic adhesive, a silicone adhesive, a urethane adhesive, a polyvinyl butyral adhesive (PVB), an ethylene-vinyl acetate adhesive (EVA), a polyvinyl ether, or a saturated polyester. Formed from melamine resin and the like. Of these, acrylic adhesives, urethane adhesives, and polyvinyl butyral adhesives are preferred.
In addition, as an adhesive, a sheet form or a liquid form can be used. As a pressure-sensitive adhesive, for example, when a sheet-like pressure-sensitive pressure-sensitive adhesive is used, the sheet-like pressure-sensitive adhesive is applied or an adhesive is applied and then laminated and bonded.

For example, when a liquid adhesive is used as the pressure-sensitive adhesive, it is cured and bonded by treatment at room temperature or high temperature after application and bonding, or by ultraviolet irradiation. Examples of the coating method include a screen printing method, a bar coating method, a reverse coating method, a gravure coating method, a die coating method, a roll coating method, and a comma coating method.
Although the thickness of a transparent adhesion layer (C) is not specifically limited, Generally, it is 0.5-50 micrometers. The surface on which the transparent adhesive layer (C) is formed and the surface to be bonded are preferably subjected to an easy adhesion treatment such as an easy adhesion coat or a corona discharge treatment in advance. Furthermore, after bonding through the transparent adhesive layer (C), the air mixed between the members at the time of bonding is defoamed or dissolved in the adhesive to further improve the adhesion between the members Thus, it is preferable to perform the treatment under pressure and heating conditions.

  EXAMPLES Hereinafter, although a production example and an Example demonstrate this invention further in detail, this invention is not limited to these.

Production Example 1
<Production of Compound with Illustrative Compound Number (P-2)>
Under nitrogen atmosphere, 7.47 g of copper cyanide, 14.0 g of 1,2-dibromo-3,3-dimethyl-1- (4′-fluorophenyl) -1-butene were added to N, N-dimethylformamide (DMF). In addition to 70 ml, heated to 130 ° C. and held for 10 hours. After the mixture was cooled to room temperature, 140 ml of 28% by mass aqueous ammonia was added, and the mixture was further stirred at room temperature for 1 hour, and then the solid was filtered. The filtered solid was dried and purified by silica gel column chromatography [developing solution: toluene / hexane (volume ratio: 2/1)], and 1,2-dicyano-3,3-dimethyl-1- (4 9.07 g of a mixture of cis- and trans-isomers of '-fluorophenyl) -1-butene was obtained.
As a result of measuring the obtained mixture by gas chromatography, the peak area ratio on the chromatograph was 59.8% cis-isomer and 22.2% trans-isomer.
The mixture was purified by recrystallization with 100 ml of n-hexane, and 2.5 g of cis-1,2-dicyano-3,3-dimethyl-1- (4′-fluorophenyl) -1-butene compound was obtained. Obtained as a light blue solid. Melting point 82.9 ° C
Next, under a nitrogen atmosphere, 2.28 g of this cis-1,2-dicyano-3,3-dimethyl-1- (4′-fluorophenyl) -1-butene compound was added to 30 ml of n-pentanol, and 70 ° C. After heating, 1.52 g of 1,8-diazabicyclo [5.4.0] -7-undecene (DBU) was added to the mixture. After heating the mixture to 90 ° C., 0.33 g of cuprous chloride was added, and the mixture was further stirred at 125 ° C. for 18 hours. After distilling off 25 ml of n-pentanol from the mixture, 50 ml of methanol water (50% by mass) was added to the residue, and the solid was filtered. After the filtered solid was dried, it was purified by silica gel column chromatography [developing solution: toluene / chloroform (volume ratio: 2/1)], and 1.4 g of Compound of Exemplified Compound No. (P-2) was converted to blue Obtained as a solid. This compound had an absorption maximum at a wavelength of 595.0 nm with a molar extinction coefficient of 137,000 in toluene. The solid was a mixture of compounds represented by formula (P-2-A) to formula (P-2-D).

Example 1
100 g of a polyester resin (Byron 200; manufactured by Toyobo Co., Ltd.) and 2 g of the compound of the exemplified compound number (P-2) were weighed. Further, 400 g of cyclohexanone was added so that the solid content of the polyester resin was 25% by mass, and the mixture was sufficiently dispersed with an ultrasonic disperser.
This dispersion was coated on a glass substrate with a bar coater and dried to prepare a test sample.
In addition, it attached to the test sample produced above and evaluated it by performing the light resistance test. The evaluation results are shown in Table 1.
<Light resistance test>
7.5 kw 2 tank independent super xenon weather meter (SX2D-75; manufactured by Suga Test Instruments Co., Ltd.)
According to method A described in K7350-2 (Japanese Industrial Standard), after cutting 400 nm or less with a short wavelength cut filter (LU0400; manufactured by Asahi Spectroscopy Co., Ltd.) and irradiating for 3 days under the condition of irradiance 60 W / m2, The residual amount of dye was measured from the change in absorption at a wavelength of 590 nm.
The remaining amount of the dye was measured by measuring the transmittance (T%) at a wavelength of 590 nm using a spectrophotometer (U-300) manufactured by Hitachi, Ltd., and calculating the wave transmittance (T0%) before the light resistance test. It was determined as a numerical value subtracted from the transmittance (T1%) after the property test. The smaller the numerical value, the greater the residual amount of the dye and the better the light resistance.

Examples 2-6
In Example 1, instead of using the compound of the exemplified compound number (P-2), a test sample was prepared by the method described in Example 1 except that the tetraazaporphyrin compound was changed as shown in Table 1. . Table 1 shows the results of measurement and evaluation on the produced test samples in the same manner as in Example 1.

Comparative Example 1
In Example 1, instead of using the compound of exemplary compound number (P-2), the compound (G-1) described in Example 3 of JP-A-2006-321925 was used as a comparative compound. A test sample was prepared by the method described in Example 1. Table 1 shows the results of measurement and evaluation on the produced test samples in the same manner as in Example 1.

Comparative Example 2
In Example 1, instead of using the tetraazaporphyrin compound of the exemplified compound number (P-2), the compound (G-2) described in Synthesis Example 1 of JP-A No. 2002-129052 is used as a comparative compound. A test sample was prepared by the method described in Example 1 except that. Table 1 shows the results of measurement and evaluation on the produced test samples in the same manner as in Example 1.

From the results shown in Table 1, the test sample of the present invention containing the tetraazaporphyrin compound represented by the general formula (1) is compared with the comparative test sample containing the tetraazaporphyrin compound shown in the comparative example. It was found to be excellent in light resistance.

Example 7
Acrylic adhesive (SK Dyne 1310; manufactured by Soken Chemical Co., Ltd.) is sufficiently dissolved in a methyl ethyl ketone / cyclohexanone (50:50 mass%) solvent with an ultrasonic disperser so that the nonvolatile content concentration becomes 5% by weight. The diluted solution was adjusted. Furthermore, the compound of Exemplified Compound No. (P-2) was dissolved in this diluted solution to obtain a dispersion, which was coated on a glass substrate with a spin coater and dried to obtain a test sample.
In addition, exemplary compound number (P-2) adjusted the dispersion liquid so that it might contain 0.2 (mass)% in the dry acrylic adhesive.
Table 2 shows the results of measurement and evaluation performed on the test sample prepared above in the same manner as in Example 1.

Examples 8-12
In Example 7, instead of using the compound of exemplary compound number (P-2) and the acrylic pressure-sensitive adhesive (SK Dyne 1310; manufactured by Soken Chemical Co., Ltd.), a tetraazaporphyrin compound and an acrylic pressure-sensitive adhesive were used. Test samples were prepared by the method described in Example 7 except that the changes were made as shown in Table 2. Table 2 shows the results of measurement and evaluation on the produced test sample in the same manner as in Example 7.

Comparative Examples 3-4
In Example 7, instead of using the compound of exemplary compound number (P-2) and the acrylic pressure-sensitive adhesive (SK Dyne 1310; manufactured by Soken Chemical Co., Ltd.), tetraazaporphyrin used in Comparative Examples 1 and 2 A test sample was prepared by the method described in Example 7 except that the compound and the acrylic pressure-sensitive adhesive were changed as shown in Table 2. Table 2 shows the results of measurement and evaluation on the produced test sample in the same manner as in Example 7.

SK1310; Acrylic adhesive (SK Dyne 1310; manufactured by Soken Chemical Co., Ltd.)
SK2094; Acrylic adhesive (SK Dyne 2094; manufactured by Soken Chemical Co., Ltd.)
BPS5896; acrylic adhesive
(Olivein BPS5896; manufactured by Toyo Ink Manufacturing Co., Ltd.)
From the results shown in Table 2, the test sample of the present invention containing the tetraazaporphyrin compound represented by the general formula (1) and the pressure-sensitive adhesive is a comparative test sample containing the tetraazaporphyrin compound shown in the comparative example. It was found to be superior in light resistance compared to.

Example 13
Acrylic adhesive (SK Dyne 1310; manufactured by Soken Chemical Co., Ltd.) is sufficiently dissolved in a methyl ethyl ketone / cyclohexanone (50:50 mass%) solvent with an ultrasonic disperser so that the nonvolatile content concentration becomes 5 mass%. The diluted solution was adjusted. Further, the compound of the exemplified compound number (P-2) and the diimonium salt compound (Q-1) as a near infrared ray absorbing compound are dissolved in this diluted solution to form a dispersion, which is coated on a glass substrate with a spin coater. The sample was dried and used as a test sample.

In addition, the compound of exemplary compound number (P-2) is 0.2 mass% in the dry acrylic adhesive, and the diimonium salt compound (Q-1) is 0.00 in the dry acrylic adhesive. The dispersion was adjusted to contain 7% by mass.
Table 3 shows the results of measurement and evaluation performed on the test sample prepared above in the same manner as in Example 1.

Examples 14-22
In Example 13, instead of using the compound of Exemplified Compound No. (P-2), the acrylic pressure-sensitive adhesive (SK Dyne 1310; manufactured by Soken Chemical Co., Ltd.), and the diimonium salt compound (Q-1), tetraaza A test sample was prepared by the method described in Example 13 except that the porphyrin compound, the acrylic pressure-sensitive adhesive, and the diimonium salt compound were changed as shown in Table 3.
Table 3 shows the results of measurement and evaluation on the produced test sample in the same manner as in Example 13.

Comparative Examples 5-6
In Example 13, instead of using the compound of the exemplified compound number (P-2), the acrylic pressure-sensitive adhesive (SK Dyne 1310; manufactured by Soken Chemical Co., Ltd.), and the diimonium salt compound (Q-1), a comparative example was used. A test sample was prepared by the method described in Example 13, except that the tetraazaporphyrin compound, the acrylic pressure-sensitive adhesive, and the diimonium salt compound used in 1-2 were changed as shown in Table 3.
Table 3 shows the results of measurement and evaluation on the produced test sample in the same manner as in Example 13.

SK1310; Acrylic adhesive (SK Dyne 1310; manufactured by Soken Chemical Co., Ltd.)
SK2094; Acrylic adhesive (SK Dyne 2094; manufactured by Soken Chemical Co., Ltd.)
BPS5896; acrylic adhesive
(Olivein BPS5896; manufactured by Toyo Ink Manufacturing Co., Ltd.)
Diimonium salt compound; Q-2

From the results shown in Table 1, the test sample of the present invention containing the tetraazaporphyrin compound represented by the general formula (1), the pressure-sensitive adhesive, and the diimonium salt compound as the near-infrared absorbing dye is the tetra-type shown in the comparative example. It was found to be superior in light resistance as compared with a comparative test sample containing an azaporphyrin compound.

Example 23
A triacetyl cellulose (TAC) film (thickness: 80 μm) was used as a substrate, and the following functional transparent film was continuously formed on one surface as a functional transparent layer by roll-to-roll. That is, a photopolymerization initiator is added to a polyfunctional methacrylate resin, and a coating liquid in which ITO fine particles (average particle size: 10 nm) are further dispersed is applied with a gravure coater and UV cured to form a conductive hard coat film. (Film thickness: 3 μm) was formed. A fluorine-containing organic compound solution is coated on the microgravure coater, dried at 90 ° C and thermally cured to form an antireflective film (film thickness: 100 nm) with a refractive index of 1.4. Hard coat function (Pencil hardness: 2H), antireflection function (surface visible light reflectance: 0.9%), antistatic function (surface resistance: 7 × 10 ⁹ Ω / □), functional transparent film having antifouling function Formed.

On the other hand, the compound of Exemplified Compound No. (P-2) was dissolved in an ethyl acetate / toluene (50:50 mass%) solvent to prepare a diluted solution.
An acrylic pressure-sensitive adhesive (80% by mass) and a diluent (20% by mass) containing the compound of this exemplified compound number (P-2) are mixed, and a comma coater is formed on the TAC surface of the functional transparent film / TAC film. Was applied to a dry film thickness of 25 μm and dried to form a transparent adhesive layer. A release film was laminated on the surface of the transparent adhesive layer and wound into a roll to produce a display filter having a release film.
In addition, the dilution liquid was prepared so that the compound of exemplary compound number (P-2) might contain 1650 mass ppm in the dried adhesive.

Furthermore, the display filter was cut into a sheet shape, the release film was peeled off, and was bonded to the front surface of the plasma display panel (display portion 920 mm × 520 mm) using a single wafer laminator. At this time, sheet cutting and bonding position alignment were performed so that the transparent adhesive layer portion was bonded to the entire display portion. After pasting, it was autoclaved at 60 ° C. and 2 × 10 ⁵ Pa to obtain a display device equipped with a display filter.
Next, regarding the display device produced above, the color purity of the luminescent color was measured and evaluated. The evaluation results are shown in Table 2.
<Color purity of luminescent color>
In the three primary colors red (R), green (G) and blue (B), RGB chromaticity (x, y) was measured using a CRT color analyzer (CA100) manufactured by Minolta. It can be said that the closer the chromaticity of the three primary colors is to the chromaticity determined by the NTSC system, the better.

Examples 24-27
In Example 23, instead of using the compound of exemplary compound number (P-2) in forming the adhesive layer, the compound of exemplary compound number (P-16) (Example 22), the exemplary compound number (P-32) ), The compound of Example Compound No. (P-57) (Example 24), and the compound of Example Compound No. (P-81) (Example 25). A display filter was produced by the method described in 1. and a display device equipped with the display filter was obtained.
Table 4 shows the results of measurement and evaluation on the display device manufactured as described above in the same manner as in Example 23.

Comparative Example 7
In Example 23, a display filter was prepared by the method described in Example 23 except that the compound of the exemplified compound number (P-2) was not used in forming the adhesive layer. A mounted display device was obtained.
Table 4 shows the results of measurement and evaluation on the display device manufactured as described above in the same manner as in Example 23.

Comparative Example 8
In Example 23, instead of using the compound of Exemplified Compound No. (P-2) in forming the adhesive layer, the compound (G-2 described in Synthesis Example 1 of JP-A No. 2002-129052 was used as a comparative compound. ) Was used to produce a display filter by the method described in Example 23, and a display device equipped with the display filter was obtained.
Table 4 shows the results of measurement and evaluation on the display device manufactured as described above in the same manner as in Example 23.

From Table 4, it can be seen that the color purity of the plasma display equipped with the display filter of the present invention, particularly the color purity of red, is greatly improved.

The display filter of the present invention containing a tetraazaporphyrin compound having a specific structure is excellent in optical properties and durability, and can be used as a filter for various displays.

11: Functional transparent layer (A)
12: Substrate (B)
13: Transparent adhesive layer (C)

21: Functional transparent layer (A)
22: Substrate (B)
23: Transparent adhesive layer (C)
24: Transparent conductive layer (D)

31: Functional transparent layer (A)
32: Substrate (B)
33: Transparent adhesive layer (C)
34: Transparent conductive layer (D)

42: Substrate (B)

53: Transparent adhesive layer (C)

62: Substrate (B)
63: Transparent adhesive layer (C)

71: Functional transparent layer (A)
72: Substrate (B)

Claims (3)

A display filter comprising at least one tetraazaporphyrin compound represented by the general formula (1) in a substrate or on a substrate surface.
[Wherein, M represents two hydrogen atoms, a divalent metal atom, or a metal oxide atom, and X _{1 to} X ₄ each independently represent a linear or branched alkyl group, or a linear or branched alkoxy group. Y _{1 to} Y ₄ each independently represents a linear or branched alkyl group having 3 to 5 carbon atoms, the following formula (1-a), formula (1-b), formula (1-c) Or a group represented by the formula (1-d)]
[In Formula (1-a), Z ₁ represents a fluorine atom or a chlorine atom, and R ₁ and R ₂ each independently represent a hydrogen atom, a fluorine atom, a chlorine atom, a straight chain or branched chain having 1 to 5 carbon atoms Or a linear or branched alkoxy group having 1 to 5 carbon atoms]
[In Formula (1-b), Z ₂ represents a fluorine atom or a chlorine atom, and R ₃ and R ₄ each independently represent a hydrogen atom, a fluorine atom, a chlorine atom, a straight chain or branched chain having 1 to 5 carbon atoms Or a linear or branched alkoxy group having 1 to 5 carbon atoms. However, R ₃ and R ₄ do not represent a hydrogen atom at the same time.
[In the formula (1-c), R ₅ represents a hydrogen atom, a linear or branched alkyl group having 1 to 5 carbon atoms, or a linear or branched alkoxy group having 1 to 5 carbon atoms, and R ₆ and R ₇ each independently represents a hydrogen atom, a fluorine atom, a chlorine atom, a linear or branched alkyl group having 1 to 5 carbon atoms, or a linear or branched alkoxy group having 1 to 5 carbon atoms.
[In Formula (1-d), R _{8 to} R ₁₀ are each independently a hydrogen atom, a linear or branched alkyl group having 1 to 5 carbon atoms, or a linear or branched alkoxy group having 1 to 5 carbon atoms. Represents. However, R ₉ and R ₁₀ do not represent a hydrogen atom at the same time.   The display-use filter according to claim 1, wherein the tetraazaporphyrin compound represented by the general formula (1) is contained in a transparent adhesive layer. A display device comprising the display filter according to claim 1.