JPH09279082A - Black coating composition and production of color filter using the same - Google Patents
Black coating composition and production of color filter using the sameInfo
- Publication number
- JPH09279082A JPH09279082A JP11530796A JP11530796A JPH09279082A JP H09279082 A JPH09279082 A JP H09279082A JP 11530796 A JP11530796 A JP 11530796A JP 11530796 A JP11530796 A JP 11530796A JP H09279082 A JPH09279082 A JP H09279082A
- Authority
- JP
- Japan
- Prior art keywords
- particle size
- light
- black
- size distribution
- shielding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Pigments, Carbon Blacks, Or Wood Stains (AREA)
- Paints Or Removers (AREA)
- Optical Filters (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は黒色塗料組成物およ
びその応用に関する。更に詳しくは、本発明は、特に、
液晶表示素子や撮像素子などに用いられるカラーフィル
ターの遮光性薄膜の形成に有用な黒色塗料組成物および
それを用いるカラーフィルターの製造方法に関する。TECHNICAL FIELD The present invention relates to a black coating composition and its application. More specifically, the present invention, in particular,
The present invention relates to a black coating composition useful for forming a light-shielding thin film of a color filter used for a liquid crystal display device, an image pickup device and the like, and a method for producing a color filter using the same.
【０００２】[0002]
【従来の技術および発明が解決しようとする課題】液晶
表示素子などに用いられるカラーフィルターにおいて、
コントラストや色純度の向上、あるいは、スイチッング
素子などへの光洩れの防止のために、例えば、透明基板
上に形成された赤、緑および青色の各透明着色微細パタ
ーンの間隙にブラックマトリックスと呼ばれる遮光性薄
膜を設けることや、スイッチング素子の上に配置される
基板上に不要光を遮る遮光性薄膜を設けることが知られ
ている。2. Description of the Related Art In a color filter used for a liquid crystal display device or the like,
In order to improve the contrast and color purity, or to prevent light from leaking to the switching element, etc., for example, light shielding called a black matrix is formed in the gap between each transparent colored fine pattern of red, green and blue formed on the transparent substrate. It is known to provide a light-blocking thin film, or to provide a light-blocking thin film that blocks unnecessary light on the substrate arranged on the switching element.
【０００３】遮光性薄膜は、基板との密着性、耐熱性、
耐水性、耐湿性、耐薬品性などが優れるとともに遮光性
がより高いことが要求されている。このような遮光性薄
膜を形成する原材料としては、金属系および樹脂系材料
が主に用いられている。金属系材料としてはクロム等
が、また、樹脂系材料としては、樹脂等の高分子材料と
カーボンブラック等の遮光性材料とを含む組成物が用い
られている。これらのうち、クロム等の金属材料には、
公害の問題、形成した遮光性薄膜の光反射率が高いとい
う問題、さらには製造コストが高いといった問題などが
あるために、現在では樹脂系材料が注目されている。The light-shielding thin film has good adhesion to the substrate, heat resistance,
It is required to have excellent water resistance, moisture resistance, chemical resistance, and the like, as well as higher light-shielding properties. As a raw material for forming such a light-shielding thin film, metal-based and resin-based materials are mainly used. As the metal-based material, chromium or the like is used, and as the resin-based material, a composition containing a polymer material such as resin and a light-shielding material such as carbon black is used. Of these, metal materials such as chrome
Due to problems such as pollution, high light reflectance of the formed light-shielding thin film, and high manufacturing cost, resin-based materials are currently drawing attention.
【０００４】しかしながら、樹脂系材料には、遮光性の
面で金属系材料に及ばないという問題がある。樹脂系材
料を用いて高遮光性を得るためには、遮光性材料の添加
量を増やすことが効果的であるが、遮光性材料の添加量
を増やすと樹脂系材料の粘度が高くなり、塗布作業性が
著しく低下し、カラーフィルターの生産性が低下してし
まうという問題が生じる。このようなことから、高遮光
性を有するとともに塗布作業性も優れる樹脂系材料の開
発が強く望まれている。However, the resin-based material has a problem that it is inferior to the metal-based material in terms of light-shielding property. It is effective to increase the amount of the light-shielding material added to obtain high light-shielding properties using the resin-based material. However, increasing the amount of the light-shielding material increases the viscosity of the resin-based material. There is a problem that the workability is significantly reduced and the productivity of the color filter is reduced. For these reasons, there is a strong demand for the development of a resin-based material having a high light-shielding property and an excellent coating workability.
【０００５】[0005]
【課題を解決するための手段】本発明者らは、高遮光性
を有するとともに塗布作業性も優れ、また、液晶表示素
子などに用いられるカラーフィルターの遮光性薄膜に要
求されるその他の特性も満足する工業的有利な樹脂系材
料を見出すために鋭意検討を行い、本発明を完成するに
至った。本発明の目的は、遮光性材料および高分子材料
を含有し、遮光性材料が複粒径分布を有する粉体粒子で
あることを特徴とする黒色塗料組成物を提供することで
ある。The present inventors have a high light-shielding property and an excellent coating workability, and also have other properties required for a light-shielding thin film of a color filter used for a liquid crystal display device or the like. In order to find a satisfactory industrially advantageous resin-based material, earnest studies were conducted, and the present invention was completed. An object of the present invention is to provide a black coating composition containing a light-shielding material and a polymer material, wherein the light-shielding material is powder particles having a multi-particle size distribution.
【０００６】本発明の他の目的は、遮光性材料および高
分子材料を含有し、遮光性材料が複粒径分布を有する粉
体粒子であることを特徴とするカラーフィルターの遮光
性薄膜形成用黒色塗料組成物を提供することである。本
発明のさらに他の目的は、上記の黒色塗料組成物を用い
て遮光性薄膜を形成することを特徴とするカラーフィル
ターの製造方法を提供することである。Another object of the present invention is to form a light-shielding thin film of a color filter, which contains a light-shielding material and a polymer material, and the light-shielding material is powder particles having a multi-particle size distribution. A black coating composition is provided. Still another object of the present invention is to provide a method for producing a color filter, which comprises forming a light-shielding thin film using the above black coating composition.
【０００７】[0007]
【発明の実施の形態】以下に本発明の実施形態について
詳細に説明する。本発明で用いる遮光性材料は、その種
類については特に制限されることなく、カーボンブラッ
ク、チタンブラック、黒色酸化鉄のような金属酸化物、
硫化ビスマスのような金属硫化物等のほか、フタロシア
ニンブラック、ニグロシン、アニリンブラック、ペリレ
ンブラックなどの黒色有機顔料や、赤、緑、青等の有彩
色有機顔料の混合物などが例示される。このような遮光
性材料として、例えば、Ｓｐｅｃｉａｌ Ｂｌａｃｋ
５５０（Ｄｅｇｕｓｓａ社）、Ｒａｖｅｎ ４１０，１
２５０など（Ｃｏｌｏｎｂｉａｎ Ｃａｒｂｏｎ社）、
ＢＹ−００４（三菱マテリアル社）、Ｐａｌｉｏｇｅｎ
Ｂｌａｃｋ Ｌ００８４（ＢＡＳＦ社）、などの市販
品から適宜選択することもできる。本発明の塗料組成物
をカラーフィルターの遮光性薄膜形成材料として使用す
る場合は、特に、カーボンブラック、チタンブラックな
どが好適である。Embodiments of the present invention will be described below in detail. The light-shielding material used in the present invention is not particularly limited as to its type, carbon black, titanium black, metal oxides such as black iron oxide,
Examples include metal sulfides such as bismuth sulfide, black organic pigments such as phthalocyanine black, nigrosine, aniline black, and perylene black, and mixtures of chromatic organic pigments such as red, green, and blue. As such a light-shielding material, for example, Special Black
550 (Degussa), Raven 410,1
250, etc. (Colonbian Carbon),
BY-004 (Mitsubishi Materials Corporation), Paliogen
It can also be appropriately selected from commercial products such as Black L0084 (BASF Corp.). When the coating composition of the present invention is used as a light-shielding thin film forming material for a color filter, carbon black, titanium black and the like are particularly suitable.
【０００８】これらの遮光性材料は、粒径が好ましくは
約５００ｎｍ以下、さらに好ましくは約３００ｎｍ以下
の粉体粒子である。粒径の下限は特に制限されないが、
通常はおおよそ５ｎｍである。These light shielding materials are powder particles having a particle size of preferably about 500 nm or less, more preferably about 300 nm or less. The lower limit of the particle size is not particularly limited,
Usually, it is about 5 nm.
【０００９】このような粉体粒子の粒径およびその分布
の測定は、特に制限されるものではないが、例えば、液
相沈降法、Ｘ線透過法、光子相関法または電子顕微鏡を
用いる方法などによることができる。また、本発明で用
いる遮光性材料の粒子の形状は、好ましくは、球または
球に近似のものであるが、それのみならず、板状、棒
状、針状などであってもよい。The measurement of the particle size and distribution of such powder particles is not particularly limited, but for example, a liquid phase sedimentation method, an X-ray transmission method, a photon correlation method or an electron microscope method is used. You can Further, the shape of the particles of the light-shielding material used in the present invention is preferably a sphere or a shape close to a sphere, but it may be plate-like, rod-like, needle-like or the like.
【００１０】本発明で用いる粉体粒子は複粒径分布を有
するものである。さらに詳しくは、所定の粒径を平均粒
径とする粒径分布（この粒径分布を以下には大粒径分布
と呼ぶ。）、およびそれよりも小さい粒径を平均粒径と
する１または２以上の粒径分布（以下、小粒径分布と呼
ぶ。）からなる複粒径分布を有する粉体粒子である。こ
のような複粒径分布において、小粒径分布における平均
粒径を１とすると、大粒径分布の平均粒径は、好ましく
は約４以上であり、また、好ましくは約５０以下であ
る。ここで、大粒径分布の平均粒径は、好ましくは５０
ｎｍ以上、さらに好ましくは１００ｎｍ以上である。ま
た、小粒径分布の粉体粒子量は全粉体粒子量に対して、
好ましくは、１〜４０重量％であり、さらに好ましくは
５〜３０重量％である。The powder particles used in the present invention have a double particle size distribution. More specifically, a particle size distribution having a predetermined particle size as an average particle size (this particle size distribution is hereinafter referred to as a large particle size distribution), and a particle size smaller than that is defined as an average particle size 1 or It is a powder particle having a multiple particle size distribution consisting of two or more particle size distributions (hereinafter referred to as small particle size distributions). In such a double particle size distribution, when the average particle size in the small particle size distribution is 1, the average particle size in the large particle size distribution is preferably about 4 or more, and preferably about 50 or less. Here, the average particle size of the large particle size distribution is preferably 50.
nm or more, and more preferably 100 nm or more. Also, the amount of powder particles with a small particle size distribution is based on the total amount of powder particles,
It is preferably 1 to 40% by weight, more preferably 5 to 30% by weight.
【００１１】本発明で好適に用いる、すなわち、このよ
うな各条件を満たしている粉体粒子は、例えば、縦軸に
分布（重量％／ｎｍ）を、横軸に粒径（ｎｍ）をとりグ
ラフで表した場合、ピークを中心に短粒径側により長く
裾野を有した曲線で表すことができる。The powder particles preferably used in the present invention, that is, the powder particles satisfying each of the above conditions, have, for example, the distribution (% by weight / nm) on the vertical axis and the particle size (nm) on the horizontal axis. In the case of a graph, it can be represented by a curve having a longer skirt centered on the peak and on the short particle size side.
【００１２】このような遮光性材料は、例えば、粉体粒
子を所望の粒径に調整する際に、粒径分布が上記の分布
になるように方法、条件等を適宜選択して調製してもよ
く、また、篩分の条件を適宜選択するなどして調製する
ことができる。また、例えば、通常の方法で所望の粒径
に調整して、粒径分布は共に正規分布しているが、平均
粒径がそれぞれに異なる２種以上の粉体粒子を準備し、
適宜それらを配合することによって調製することもでき
る。この場合、配合するそれぞれの粉体粒子における遮
光性材料の種類は同じであっても異なっていてもよい
が、好ましくは、前記の平均粒径の比が所定値になるよ
うに、また、小粒径分布の粉体粒子量が所定値になるよ
うに配合を行う。Such a light-shielding material is prepared, for example, by appropriately selecting the method, conditions, etc. so that the particle size distribution becomes the above distribution when adjusting the powder particles to a desired particle size. Alternatively, it can be prepared by appropriately selecting the conditions of the sieve fraction. Further, for example, two or more kinds of powder particles, which are adjusted to have a desired particle size by a normal method and have a normal particle size distribution, but have different average particle sizes, are prepared.
It can also be prepared by appropriately mixing them. In this case, the type of the light-shielding material in each of the powder particles to be blended may be the same or different, but it is preferable that the ratio of the average particle diameters be a predetermined value or small. Blending is performed so that the amount of powder particles in the particle size distribution becomes a predetermined value.
【００１３】本発明における高分子材料は、本技術分野
で通常用いられているいずれのものでもよく、耐熱性、
耐溶剤性などの特性を有する熱硬化性または感光性材料
などが挙げられる。熱硬化性材料としては、マレイン化
油系、アクリル系、ポリエステル系、ポリブタジエン
系、ポリオレフィン系などの樹脂や、フェノールノボラ
ック、クレゾールノボラック、ポリイミド、ポリビニー
ルアルコール、変成アクリル樹脂、変成エポキシ樹脂、
変成シリコーン樹脂などが例示される。The polymer material in the present invention may be any of those commonly used in this technical field, such as heat resistance,
Examples thereof include thermosetting or photosensitive materials having properties such as solvent resistance. Examples of thermosetting materials include maleated oil-based, acrylic-based, polyester-based, polybutadiene-based, and polyolefin-based resins, phenol novolac, cresol novolac, polyimide, polyvinyl alcohol, modified acrylic resin, modified epoxy resin,
Examples include modified silicone resins.
【００１４】感光性材料としては、アクリル樹脂、ポリ
エステル樹脂、ポリイミド樹脂などを含む材料が例示さ
れるが、特に、ネガ型またはポジ型フォトレジストとし
て知られている感光性材料が好適である。ネガ型フォト
レジストとしては、アクリル樹脂にベンゾフェノン類、
アントラキノン類などの光開始剤を含有したものなどが
挙げられ、市販品としてＶ−２５９−ＰＡ（新日鉄化学
社）、ＫａｙａｒａｄＩＮＣ−１１６Ｎ（日本化薬社）
などが挙げられる。ポジ型フォトレジストとしては、ノ
ボラック型フェノール樹脂にＯ−キノンジアジドのエス
テル化物を含有したものなどが挙げられ、市販品とし
て、ＯＦＰＲ−８００（東京応化社）、ＰＦ−７４００
（住友化学社）、ＦＨ−２０３０（富士ハントエレクト
ロニクステクノロジー社）などが挙げられる。Examples of the photosensitive material include materials containing acrylic resin, polyester resin, polyimide resin, and the like. Particularly, the photosensitive material known as a negative or positive photoresist is suitable. Negative photoresists include acrylic resin, benzophenones,
Examples thereof include those containing a photoinitiator such as anthraquinones, and commercially available products include V-259-PA (Nippon Steel Chemical Co., Ltd.) and Kayarad INC-116N (Nippon Kayaku Co., Ltd.).
And the like. Examples of the positive photoresist include a novolak type phenol resin containing an esterified product of O-quinonediazide. Commercially available products are OFPR-800 (Tokyo Ohka Co., Ltd.) and PF-7400.
(Sumitomo Chemical Co., Ltd.), FH-2030 (Fuji Hunt Electronics Technology Co., Ltd.) and the like.
【００１５】本発明の黒色塗料組成物における遮光性材
料と高分子材料との混合割合は、特に制限されず広い範
囲から選ぶことができる。遮光性材料および高分子材料
の種類および本発明の黒色塗料組成物の使用目的に応じ
て、遮光性材料：高分子材料＝１０〜８０：９０〜２０
（重量比）という広い範囲から、通常は、１０〜６０：
９０〜４０の範囲から適宜選択することができる。ま
た、本発明の黒色塗料組成物は、遮光性材料および高分
子材料のほかに、目的に応じて、炭化水素、エーテル、
エステル、ケトン、アルコール、セロソルブ類などの有
機溶剤や水、補助的に用いられるその他の顔料、光増感
剤、シランカップリング剤、チタンカップリング剤、分
散剤、ｐＨ調整剤、消泡剤、塗膜流展剤などの添加剤を
含有していてもよい。The mixing ratio of the light-shielding material and the polymer material in the black coating composition of the present invention is not particularly limited and can be selected from a wide range. Depending on the types of the light-shielding material and the polymer material and the purpose of use of the black coating composition of the present invention, the light-shielding material: polymer material = 10-80: 90-20
From a wide range of (weight ratio), usually 10 to 60:
It can be appropriately selected from the range of 90 to 40. Further, the black coating composition of the present invention, in addition to the light-shielding material and the polymer material, depending on the purpose, hydrocarbon, ether,
Organic solvents such as esters, ketones, alcohols, cellosolves and water, other pigments used auxiliary, photosensitizers, silane coupling agents, titanium coupling agents, dispersants, pH adjusters, defoamers, You may contain additives, such as a coating film flow agent.
【００１６】本発明の黒色塗料組成物は、遮光性材料お
よび高分子材料、必要により、溶剤類や添加剤などの所
定量をロールミル、ボールミル、サンドミル、ビーズミ
ルなどを用いて分散、混合することによって容易に得る
ことができる。The black coating composition of the present invention is prepared by dispersing and mixing a light-shielding material, a polymer material and, if necessary, a predetermined amount of solvents and additives with a roll mill, a ball mill, a sand mill, a bead mill or the like. Can be easily obtained.
【００１７】このようにして得られる本発明の黒色塗料
組成物は、遮光性を向上するために、たとえ遮光性材料
の添加量を増やした場合であっても塗布作業性が優れて
おり、また、カラーフィルターのブラックマトリックス
と呼ばれている遮光性薄膜に要求される諸特性に優れる
ものである。The black coating composition of the present invention thus obtained has excellent coating workability in order to improve the light-shielding property, even if the amount of the light-shielding material added is increased. It has excellent properties required for a light-shielding thin film called a black matrix of a color filter.
【００１８】カラーフィルターは、本発明の黒色塗料組
成物を用い、印刷法、顔料分散法、電着法など、公知の
いずれの方法によっても製造することができる。例え
ば、公知のいずれかの方法にしたがって、ガラスなどの
透明基板上に所望の形状の透明着色微細パターンを形成
し、高分子材料としてネガ型フォトレジストを用いて得
た本発明の黒色塗料組成物を透明着色微細パターンが形
成されている基板上の全面に塗布、次いで基板の裏面か
ら露光、現像を行うことにより透明着色微細パターンの
間隙に遮光性薄膜を形成してなるカラーフィルターを得
ることができる。The color filter can be produced using the black coating composition of the present invention by any known method such as a printing method, a pigment dispersion method and an electrodeposition method. For example, the black coating composition of the present invention obtained by forming a transparent colored fine pattern of a desired shape on a transparent substrate such as glass according to any known method and using a negative photoresist as a polymer material. Is applied to the entire surface of the substrate on which the transparent colored fine pattern is formed, and then exposure and development are performed from the back surface of the substrate to obtain a color filter in which a light-shielding thin film is formed in the gap of the transparent colored fine pattern. it can.
【００１９】また例えば、高分子材料としてネガ型また
はポジ型フォトレジストを用いて本発明の黒色塗料組成
物を得、この組成物を用い、特開平７−３５９２０号公
報に記載された方法にしたがって窓枠状の遮光性薄膜を
形成し、次いで窓状の着色パターンを形成することによ
ってもカラーフィルターを得ることができる。Further, for example, a negative or positive photoresist is used as the polymer material to obtain the black coating composition of the present invention, and the composition is used according to the method described in JP-A-7-35920. A color filter can also be obtained by forming a window-frame-shaped light-shielding thin film and then forming a window-shaped colored pattern.
【００２０】[0020]
【実施例】以下に本発明を実施例によって更に詳細に説
明するが、本発明はこれらの実施例に限定されるもので
はない。例中、部は重量部を表す。EXAMPLES The present invention will be described in more detail with reference to examples below, but the present invention is not limited to these examples. In the examples, parts represent parts by weight.
【００２１】実施例 １ 平均粒径２５ｎｍのカーボンブラック粉体（Ｓｐｅｃｉ
ａｌ Ｂｌａｃｋ ５５０、Ｄｅｇｕｓｓａ社製）７
部、および平均粒径１３０ｎｍの黒色有機顔料（Ｐａｌ
ｉｏｇｅｎ Ｂｌａｃｋ Ｌ００８４、ＢＡＳＦ社製）
１８部からなる遮光性材料、感光性樹脂（Ｋａｙａｒａ
ｄ ＩＮＣ−１１６Ｎ、日本化薬社製）７５部、および
溶剤としてのプロピレングリコールモノメチルエーテル
５０部を予備混合したあと、３本ロールミルで分散処理
し、次いで光開始剤（Ｉｒｇａｃｕｒｅ ９０７、チバ
ガイギー社製）５部を加え十分に混合して黒色塗料組成
物を得た。Example 1 Carbon black powder having an average particle size of 25 nm (Speci
al Black 550, manufactured by Degussa) 7
Parts, and a black organic pigment with an average particle size of 130 nm (Pal
iogen Black L0084, manufactured by BASF)
Light-shielding material consisting of 18 parts, photosensitive resin (Kayara
d INC-116N, manufactured by Nippon Kayaku Co., Ltd.), and 75 parts of propylene glycol monomethyl ether as a solvent are premixed, and then dispersed by a three-roll mill, and then a photoinitiator (Irgacure 907, manufactured by Ciba Geigy). 5 parts were added and mixed well to obtain a black coating composition.
【００２２】得られた組成物をロールコーターを用いて
ガラス基板上に塗布し、９５℃で１０分間予備乾燥後、
所定のパターンを有するマスクを介して超高圧水銀灯で
２００〜２５００ｍＪ／ｃｍ2 の露光を行い、次いでブ
チルセロソルブで現像を行って遮光性薄膜を形成した。
上記の操作中、黒色塗料組成物の性状は良好で長時間安
定しており、塗布作業も円滑であって（チキソトロピー
インデックス＝４）、塗布作業性が優れており、また、
形成された遮光性薄膜はカラーフィルターの機能性薄膜
特性も優れるものであった。The composition thus obtained was coated on a glass substrate using a roll coater and predried at 95 ° C. for 10 minutes,
Exposure to 200 to 2500 mJ / cm 2 was performed with an ultra-high pressure mercury lamp through a mask having a predetermined pattern, and then development was performed with butyl cellosolve to form a light-shielding thin film.
During the above operation, the properties of the black coating composition are good and stable for a long time, the coating work is smooth (thixotropic index = 4), and the coating workability is excellent.
The formed light-shielding thin film was also excellent in the functional thin film characteristics of the color filter.
【００２３】実施例 ２ Ｒａｖｅｎ １２５０（Ｃｏｌｏｍｂｉａｎ Ｃａｒｂ
ｏｎ社製カーボンブラック粉体、平均粒径２０ｎｍ）６
部、およびＲａｖｅｎ ４１０（同社製カーボンブラッ
ク粉体、平均粒径１０１ｎｍ）１９部を遮光性材料とし
て用いた以外は実施例１と同様に行って黒色塗料組成物
を得た。実施例１と同様にして遮光性薄膜を形成し、得
られた黒色塗料組成物の性状および塗布作業性を観察し
たところ、そのいずれも優れていた。Example 2 Raven 1250 (Colombian Carb
on carbon black powder, average particle size 20 nm) 6
Parts and Raven 410 (carbon black powder manufactured by the same company, average particle size 101 nm) were used as the light-shielding material in the same manner as in Example 1 to obtain a black coating composition. When a light-shielding thin film was formed in the same manner as in Example 1 and the properties and coating workability of the obtained black coating composition were observed, all were excellent.
【００２４】実施例 ３ 粒径が１０〜５００ｎｍの範囲に分布しており、平均粒
径が約３０ｎｍの分布の粉体が３０重量％、残部７０重
量％の分布の平均粒径が約１８０ｎｍの複粒径分布を有
するチタンブラック粉体２５部を遮光性材料として用い
た以外は実施例１と同様に行って黒色塗料組成物を得
た。実施例１と同様にして遮光性薄膜を形成し、得られ
た黒色塗料組成物の性状および塗布作業性を観察したと
ころ、そのいずれも優れていた。Example 3 The particle size is distributed in the range of 10 to 500 nm, 30% by weight of the powder having an average particle size of about 30 nm, and the remaining 70% by weight have an average particle size of about 180 nm. A black coating composition was obtained in the same manner as in Example 1 except that 25 parts of titanium black powder having a multi-particle size distribution was used as the light-shielding material. When a light-shielding thin film was formed in the same manner as in Example 1 and the properties and coating workability of the obtained black coating composition were observed, all were excellent.
【００２５】[0025]
【発明の効果】本発明により、高遮光性を有するととも
に塗布作業性も優れ、また、液晶表示素子などに用いら
れるカラーフィルターの遮光性薄膜に要求されるその他
の特性をも満足する工業的有利な黒色塗料組成物が提供
される。Industrial Applicability According to the Invention, the present invention has a high light-shielding property and an excellent coating workability, and also satisfies the other properties required for the light-shielding thin film of a color filter used in a liquid crystal display device or the like. A black coating composition is provided.
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.6 識別記号 庁内整理番号 ＦＩ 技術表示箇所 Ｇ０３Ｆ 7/004 ５０５ Ｇ０３Ｆ 7/004 ５０５ (72)発明者 中塚 木代春 兵庫県尼崎市南塚口町６丁目10番73号 神 東塗料株式会社内─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. 6 Identification number Internal reference number FI Technical display location G03F 7/004 505 G03F 7/004 505 (72) Inventor Kiyoharu Nakatsuka Minamitsukaguchi, Amagasaki City, Hyogo Prefecture 6-10-73, Shinto Paint Co., Ltd.
Claims (8)
該遮光性材料が複粒径分布を有する粉体粒子であること
を特徴とする黒色塗料組成物。1. A light-shielding material and a polymer material,
A black coating composition, wherein the light-shielding material is powder particles having a multiple particle size distribution.
する粒径分布、およびそれよりも小さい粒径を平均粒径
とする１または２以上の小粒径分布からなる請求項１に
記載の組成物。2. The double particle size distribution comprises a particle size distribution having a predetermined particle size as an average particle size and one or more small particle size distributions having a smaller particle size as an average particle size. Item 1. The composition according to Item 1.
き、所定の粒径を平均粒径とする粒径分布の平均粒径は
約４以上である請求項２に記載の組成物。3. The composition according to claim 2, wherein when the average particle size in the small particle size distribution is 1, the average particle size in the particle size distribution having a predetermined particle size as the average particle size is about 4 or more. .
量に対して１〜４０重量％である請求項２または３に記
載の組成物。4. The composition according to claim 2, wherein the amount of powder particles having the small particle size distribution is 1 to 40% by weight based on the total amount of powder particles.
る請求項１〜４のいずれかに記載の組成物。5. The composition according to claim 1, wherein the powder particles have a particle size of about 500 nm or less.
ブラック、金属酸化物、金属硫化物および有機顔料から
選ばれる少なくとも１種である請求項１〜５のいずれか
に記載の組成物。6. The composition according to claim 1, wherein the light-shielding material is at least one selected from carbon black, titanium black, metal oxides, metal sulfides and organic pigments.
０〜８０：９０〜２０である請求項１〜６のいずれかに
記載の組成物。7. The weight ratio of the light-shielding material and the polymer material is 1
The composition according to any one of claims 1 to 6, which is 0 to 80:90 to 20.
を用いて遮光性薄膜を形成することを特徴とするカラー
フィルターの製造方法。8. A method for producing a color filter, which comprises forming a light-shielding thin film using the composition according to any one of claims 1 to 7.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11530796A JPH09279082A (en) | 1996-04-11 | 1996-04-11 | Black coating composition and production of color filter using the same |
| US08/835,425 US5880202A (en) | 1996-04-11 | 1997-04-09 | Black coating composition and application thereof |
| KR1019970013126A KR980003681A (en) | 1996-04-11 | 1997-04-10 | Black coating composition and use thereof |
| TW086104584A TW350869B (en) | 1996-04-11 | 1997-04-10 | Black coating composition and application thereof |
| CN97111207A CN1172137A (en) | 1996-04-11 | 1997-04-11 | Black coating composition and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11530796A JPH09279082A (en) | 1996-04-11 | 1996-04-11 | Black coating composition and production of color filter using the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH09279082A true JPH09279082A (en) | 1997-10-28 |
Family
ID=14659395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11530796A Pending JPH09279082A (en) | 1996-04-11 | 1996-04-11 | Black coating composition and production of color filter using the same |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH09279082A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10114836A (en) * | 1996-10-11 | 1998-05-06 | Nippon Kayaku Co Ltd | Black pigment composition, black radiation-sensitive resin composition, and black cured film |
| JP2005263826A (en) * | 2004-03-16 | 2005-09-29 | Achilles Corp | Agricultural sunproofing agent |
| KR101430386B1 (en) * | 2011-07-06 | 2014-08-13 | 성균관대학교산학협력단 | Image display device having black coating film |
| JP2015205946A (en) * | 2014-04-17 | 2015-11-19 | 介面光電股▲ふん▼有限公司 | Black paint and electrode structure using the same |
| JP2016050231A (en) * | 2014-08-29 | 2016-04-11 | 日立化成株式会社 | Photocurable composition and photocurable light-shielding coating material, liquid crystal display panel and liquid crystal display device using the same |
-
1996
- 1996-04-11 JP JP11530796A patent/JPH09279082A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10114836A (en) * | 1996-10-11 | 1998-05-06 | Nippon Kayaku Co Ltd | Black pigment composition, black radiation-sensitive resin composition, and black cured film |
| JP2005263826A (en) * | 2004-03-16 | 2005-09-29 | Achilles Corp | Agricultural sunproofing agent |
| JP4632679B2 (en) * | 2004-03-16 | 2011-02-16 | アキレス株式会社 | Shading coating solution |
| KR101430386B1 (en) * | 2011-07-06 | 2014-08-13 | 성균관대학교산학협력단 | Image display device having black coating film |
| KR101430384B1 (en) * | 2011-07-06 | 2014-08-13 | 성균관대학교산학협력단 | A black coating composition |
| KR101430385B1 (en) * | 2011-07-06 | 2014-08-13 | 성균관대학교산학협력단 | A black coating film |
| JP2015205946A (en) * | 2014-04-17 | 2015-11-19 | 介面光電股▲ふん▼有限公司 | Black paint and electrode structure using the same |
| JP2016050231A (en) * | 2014-08-29 | 2016-04-11 | 日立化成株式会社 | Photocurable composition and photocurable light-shielding coating material, liquid crystal display panel and liquid crystal display device using the same |
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