JP2003026966A5 - - Google Patents

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JP2003026966A5
JP2003026966A5 JP2001213825A JP2001213825A JP2003026966A5 JP 2003026966 A5 JP2003026966 A5 JP 2003026966A5 JP 2001213825 A JP2001213825 A JP 2001213825A JP 2001213825 A JP2001213825 A JP 2001213825A JP 2003026966 A5 JP2003026966 A5 JP 2003026966A5
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pigment
ink
liquid crystal
color filter
manufacturing
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JP2001213825A
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JP2003026966A (en
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Description

【特許請求の範囲】
【請求項1】
少なくとも水、水溶性有機溶剤、色材とからなるインクであって、上記色材が、少なくとも第1の顔料及び第2の顔料を含み、該第1の顔料が少なくとも1種の親水性基が直接もしくは他の原子団を介して該第1の顔料の表面に結合されている自己分散型の顔料であり、該第2の顔料が高分子分散剤によって該水性媒体に分散させることのできる顔料であり、該インクはさらに該第2の顔料の分散剤として機能する高分子分散剤を含むことを特徴とするインク。
【請求項2】
インクジェット方式を用いて基板上にインクを配列させる液晶用カラーフィルタの製造方法に用いられる請求項1記載のインク。
【請求項3】
上記第1の顔料が有する親水性基が、下記に示す親水性基の中から選択される少なくとも1種であり、さらに上記他の原子団が炭素原子数1〜12のアルキル基、置換基を有してもよいフェニル基または置換基を有してもよいナフチル基であることを特徴とする請求項1記載のインク。
―COOM、―SO 3 M、―PO 3 HM、―PO3M2、―SO2NHCOR、―NH3 +、―NR3 +
【化1】

Figure 2003026966
(但し、式中のMは水素原子、アルカリ金属、アンモニウムまたは有機アンモニウムを表し、Rは炭素原子数1〜12のアルキル基、置換基を有してもよいフェニル基または置換基を有してもよいナフチル基を表す。)
【請求項4】
上記第2の顔料の分散剤として機能する高分子分散剤の含有量が上記第1の顔料と第2の顔料の総量に対して重量比で5%以上であることを特徴とする請求項1記載のインク。
【請求項5】
上記第1の顔料と第2の顔料のインク中での重量比率が1:10〜10:1であることを特徴とする請求項1記載のインク。
【請求項6】
該インクがインクジェット用である、請求項1及び3〜5のいずれか1項に記載のインクの使用。
【請求項7】
該インクが液晶用カラ−フィルタ用である、請求項1及び3〜5のいずれか1項に記載のインクの使用。
【請求項8】
光透過部に凹部を有するカラーフィルタを形成する面の該凹部に、請求項1及び2〜5のいずれか1項に記載のインクをインクジェット法により付与し、熱処理あるいは光照射あるいはこれら双方により硬化し皮膜化させる工程とを有することを特徴とする液晶用カラーフィルタの製造方法。
【請求項9】
上記凹部が基板上に形成されたブラックマトリクスの開口部である請求項8に記載の液晶用カラーフィルタの製造方法。
【請求項10】
記ブラックマトリクスが黒色顔料レジストからなる請求項9記載の液晶用カラーフィルタの製造方法。
【請求項11】
記ブラックマトリクスの厚みが0.5μm以上であることを特徴とする請求項9又は10に記載の液晶用カラーフィルタの製造方法。
【請求項12】
記ブラックマトリクスと着色部を備えた基板上に硬化可能な樹脂組成物を含む層を形成すること特徴とする請求項9〜11のいずれか1項に記載の液晶用カラーフィルタの製造方法。
【請求項13】
上記硬化可能な樹脂組成物を含む層が光照射及び/または熱処理により硬化可能な樹脂組成物を含む請求項12に記載の液晶用カラーフィルタの製造方法。
【請求項14】
請求項8〜13のいずれか1項に記載の製造方法により製造された液晶用カラーフィルタ。
【請求項15】
請求項14記載の液晶用カラーフィルタを用いて製造された液晶パネル。 [Claims]
(1)
An ink comprising at least water, a water-soluble organic solvent, and a coloring material, wherein the coloring material contains at least a first pigment and a second pigment, and the first pigment has at least one hydrophilic group. A self-dispersible pigment bonded to the surface of the first pigment directly or via another atomic group, wherein the second pigment can be dispersed in the aqueous medium by a polymer dispersant. Wherein the ink further comprises a polymer dispersant that functions as a dispersant for the second pigment.
(2)
2. The ink according to claim 1, which is used in a method for manufacturing a color filter for liquid crystal in which ink is arranged on a substrate using an inkjet method.
(3)
The hydrophilic group of the first pigment is at least one selected from the following hydrophilic groups, and the other atomic group is an alkyl group having 1 to 12 carbon atoms, and a substituent. 2. The ink according to claim 1, wherein the ink is a phenyl group which may have or a naphthyl group which may have a substituent.
―COOM, ―SO 3 M, ―PO 3 HM, ―PO 3 M 2 , ―SO 2 NHCOR, ―NH 3 + , ―NR 3 + ,
Embedded image
Figure 2003026966
(However, M in the formula represents a hydrogen atom, an alkali metal, ammonium or organic ammonium, and R represents an alkyl group having 1 to 12 carbon atoms, a phenyl group which may have a substituent or a substituent. Represents a good naphthyl group.)
(4)
The content of the polymer dispersant functioning as a dispersant for the second pigment is at least 5% by weight based on the total amount of the first pigment and the second pigment. The described ink.
(5)
The ink according to claim 1, wherein the weight ratio of the first pigment and the second pigment in the ink is 1:10 to 10: 1.
6.
Use of the ink according to any one of claims 1 and 3 to 5, wherein the ink is for inkjet.
7.
The use of the ink according to any one of claims 1 and 3 to 5, wherein the ink is for a color filter for a liquid crystal.
8.
The ink according to any one of claims 1 and 2 is applied to the concave portion of the surface on which the color filter having the concave portion in the light transmitting portion is formed by an ink-jet method, and cured by heat treatment or light irradiation or both. A process for forming a color filter for a liquid crystal.
9.
Method of manufacturing a liquid crystal color filter according to claim 8, wherein the recess is an opening of the probe black matrix formed on the substrate.
10.
Upper Kivu rack matrix method of manufacturing a liquid crystal color filter according to claim 9, wherein made of black face Ryore resist.
11.
Method of manufacturing a liquid crystal color filter according to claim 9 or 10 the thickness of the upper Kivu black matrix is equal to or is 0.5μm or more.
12.
Method of manufacturing a liquid crystal color filter according to any one of claims 9 to 11, characterized by forming a layer containing a curable resin composition on a substrate having a top Kivu black matrix and colored portions .
Claim 13
The method for producing a color filter for liquid crystal according to claim 12, wherein the layer containing the curable resin composition contains a resin composition curable by light irradiation and / or heat treatment.
14.
A liquid crystal color filter manufactured by the manufacturing method according to claim 8.
15.
A liquid crystal panel manufactured using the color filter for liquid crystal according to claim 14.

(1)少なくとも水、水溶性有機溶剤、色材とからなるインクであって、上記色材が、少なくとも第1の顔料及び第2の顔料を含み、該第1の顔料が少なくとも1種の親水性基が直接もしくは他の原子団を介して該第1の顔料の表面に結合されている自己分散型の顔料であり、該第2の顔料が高分子分散剤によって該水性媒体に分散させることのできる顔料であり、該インクはさらに該第2の顔料の分散剤として機能する高分子分散剤を含むことを特徴とするインク、
(2)インクジェット方式を用いて基板上にインクを配列させる液晶用カラーフィルタの製造方法に用いられる上記(1)記載のインク、
(3)上記第1の顔料が有する親水性基が、下記に示す親水性基の中から選択される少なくとも1種であり、さらに上記他の原子団が炭素原子数1〜12のアルキル基、置換基を有してもよいフェニル基または置換基を有してもよいナフチル基であることを特徴とする上記(1)記載のインク、
―COOM、―SO 3 M、―PO 3 HM、―PO3M2、―SO2NHCOR、―NH3 +、―NR3 +
(1) An ink comprising at least water, a water-soluble organic solvent, and a coloring material, wherein the coloring material contains at least a first pigment and a second pigment, and the first pigment is at least one kind of hydrophilic material. A self-dispersible pigment in which a functional group is bonded to the surface of the first pigment directly or via another atomic group, wherein the second pigment is dispersed in the aqueous medium by a polymer dispersant. An ink characterized in that the ink further comprises a polymer dispersant that functions as a dispersant for the second pigment.
(2) The ink according to the above (1), which is used in a method for manufacturing a color filter for liquid crystal in which ink is arranged on a substrate using an inkjet method.
(3) the first pigment has at least one hydrophilic group selected from the following hydrophilic groups, and the other atomic group is an alkyl group having 1 to 12 carbon atoms; The ink according to the above (1), which is a phenyl group which may have a substituent or a naphthyl group which may have a substituent.
-COOM, -SO 3 M, -PO 3 HM, -PO 3 M 2, -SO 2 NHCOR, -NH 3 +, -NR 3 +,

(但し、式中のMは水素原子、アルカリ金属、アンモニウムまたは有機アンモニウムを表し、Rは炭素原子数1〜12のアルキル基、置換基を有してもよいフェニル基または置換基を有してもよいナフチル基を表す。)
(4)上記第2の顔料の分散剤として機能する高分子分散剤の含有量が上記第1の顔料と第2の顔料の総量に対して重量比で5%以上であることを特徴とする上記(1)記載のインク、
(5)上記第1の顔料と第2の顔料のインク中での重量比率が1:10〜10:1であることを特徴とする上記(1)記載のインク、
(6)該インクがインクジェット用である、上記(1)及び(3)〜(5)のいずれか1項に記載のインクの使用、
(7)該インクが液晶用カラ−フィルタ用である、上記(1)及び(3)〜(5)のいずれか1項に記載のインクの使用、
(8)光透過部に凹部を有するカラーフィルタを形成する面の該凹部に、上記(1)及び(2)〜(5)のいずれか1項に記載のインクをインクジェット法により付与し、熱処理あるいは光照射あるいはこれら双方により硬化し皮膜化させる工程とを有することを特徴とする液晶用カラーフィルタの製造方法、
(9)上記凹部が基板上に形成されたブラックマトリクスの開口部である上記(8)に記載の液晶用カラーフィルタの製造方法、
(10)上記ブラックマトリクスが黒色顔料レジストからなる上記(9)記載の液晶用カラーフィルタの製造方法、
(11)上記ブラックマトリクスの厚みが0.5μm以上であることを特徴とする上記(9)又は(10)に記載の液晶用カラーフィルタの製造方法、
(12)上記ブラックマトリクスと着色部を備えた基板上に硬化可能な樹脂組成物を含む層を形成すること特徴とする上記(9)〜(11)のいずれか1項に記載の液晶用カラーフィルタの製造方法、
(13)上記硬化可能な樹脂組成物を含む層が光照射及び/または熱処理により硬化可能な樹脂組成物を含む上記(12)に記載の液晶用カラーフィルタの製造方法、
(14)上記(8)〜(13)のいずれか1項に記載の製造方法により製造された液晶用カラーフィルタ、
(15)上記(14)記載の液晶用カラーフィルタを用いて製造された液晶パネル。
(However, M in the formula represents a hydrogen atom, an alkali metal, ammonium or organic ammonium, and R represents an alkyl group having 1 to 12 carbon atoms, a phenyl group which may have a substituent or a substituent. Represents a good naphthyl group.)
(4) The content of the polymer dispersant that functions as a dispersant for the second pigment is at least 5% by weight based on the total amount of the first pigment and the second pigment. The ink according to the above (1),
(5) The ink according to the above (1), wherein the weight ratio of the first pigment and the second pigment in the ink is 1:10 to 10: 1.
(6) Use of the ink according to any one of (1) and (3) to (5) above, wherein the ink is for inkjet.
(7) Use of the ink according to any one of (1) and (3) to (5) above, wherein the ink is for a color filter for liquid crystal.
(8) The ink described in any one of (1) and (2) to (5) is applied to the concave portion of the surface on which the color filter having the concave portion in the light transmitting portion is formed by an inkjet method, and heat treatment is performed. Or a step of curing and forming a film by light irradiation or both of them, a method for producing a color filter for liquid crystal,
(9) The method of manufacturing a liquid crystal color filter according to (8), which is an opening of the recess blanking black matrix formed on a substrate,
(10) above Kivu rack matrix method for manufacturing a liquid crystal color filter according to (9) described consisting of a black pigment resist,
(11) on Chivu method for producing the liquid crystal color filter according to (9) or (10), wherein the black matrix thickness is 0.5μm or more,
(12) above Kivu black matrix and liquid crystal according to any one above, characterized by forming a layer containing a curable resin composition on a substrate having a colored portion (9) to (11) Manufacturing method of color filter for
(13) The method for producing a liquid crystal color filter according to (12), wherein the layer containing the curable resin composition contains a resin composition curable by light irradiation and / or heat treatment.
(14) A color filter for liquid crystal manufactured by the manufacturing method according to any one of (8) to (13),
(15) A liquid crystal panel manufactured using the liquid crystal color filter according to (14).

JP2001213825A 2001-07-13 2001-07-13 Ink, production method for color filter for liquid crystal, color filter for liquid crystal, and liquid crystal panel Pending JP2003026966A (en)

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US7384465B2 (en) * 2004-06-25 2008-06-10 E.I. Du Pont De Nemours & Co. Pigmented blue inkjet ink color reproduction
EP2123722A1 (en) 2004-10-22 2009-11-25 Seiko Epson Corporation Ink jet recording ink
JP2021080381A (en) * 2019-11-20 2021-05-27 株式会社ミマキエンジニアリング Aqueous ink

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JP2000028820A (en) * 1998-07-08 2000-01-28 Toray Ind Inc Ink for production of color filter and color filter
JP4489196B2 (en) * 1998-11-26 2010-06-23 新日鐵化学株式会社 Red color resist ink
JP4235329B2 (en) * 1998-12-22 2009-03-11 キヤノン株式会社 Ink, ink container, ink set, ink jet recording apparatus and ink jet printing method
JP4316758B2 (en) * 1999-02-16 2009-08-19 大日精化工業株式会社 Pigment dispersion, writing instrument and printer incorporating the dispersion
JP2001011341A (en) * 1999-07-02 2001-01-16 Kansai Research Institute Pigment for aqueous dispersion and aqueous pigment dispersion
JP4510246B2 (en) * 1999-07-29 2010-07-21 キヤノン株式会社 Manufacturing method of color filter
JP2001254039A (en) * 2000-01-06 2001-09-18 Seiko Epson Corp Ink composition capable of realizing picture image excellent in color development and fixability
JP4428880B2 (en) * 2001-04-11 2010-03-10 富士フイルム株式会社 Coloring composition and photosensitive coloring composition

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