JP2003222719A - Color filter using organic pigment - Google Patents
Color filter using organic pigmentInfo
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- JP2003222719A JP2003222719A JP2002021220A JP2002021220A JP2003222719A JP 2003222719 A JP2003222719 A JP 2003222719A JP 2002021220 A JP2002021220 A JP 2002021220A JP 2002021220 A JP2002021220 A JP 2002021220A JP 2003222719 A JP2003222719 A JP 2003222719A
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- color filter
- color
- pigment
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- Solid State Image Pick-Up Elements (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、液晶表示装置、及
びＣ−ＭＯＳやＣＣＤによる受光素子に代表される撮像
素子上に用いられる有機顔料を用いたカラーフィルタに
係わるものであり、特に、色分離機能を改善した有機顔
料を用いた撮像素子向けカラーフィルタに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a liquid crystal display device and a color filter using an organic pigment used in an image pickup device represented by a C-MOS or CCD light receiving device. The present invention relates to a color filter for an image pickup device using an organic pigment having an improved separation function.
【０００２】[0002]
【従来の技術】カラー液晶表示装置やカラー撮像素子
は、基本的には波長４００ｎｍ〜７００ｎｍの可視光を
赤色（Ｒｅｄ：以下Ｒで略記）、緑色（Ｇｒｅｅｎ：以
下Ｇで略記）、青色（Ｂｌｕｅ：以下Ｂで略記）の３原
色でカラー表示もしくはカラー分解するものである。従
って、その色分離性能が、そのまま出力される画像の品
質につながる。Ｂは、その調色のため、一般的にブルー
顔料とバイオット顔料の２種類を混ぜ合わせて用いてい
る。また、近時、撮像素子ではＴＶ電話などの動画対応
のため、あるいは感度向上にため、イエロー色（Ｙｅｌ
ｌｏｗ：以下Ｙで略記）、マゼンタ色（Ｍａｇｅｎｔ
ａ：以下Ｍで略記）、シアン色（Ｃｙａｎ：以下Ｃで略
記）の補色系カラーフィルタの採用も進んできた。いず
れも、その多くの製品に、耐光性、耐熱性などの点で信
頼性の高い有機顔料を用いたカラーフィルタが採用され
ている。2. Description of the Related Art A color liquid crystal display device and a color image pickup device basically transmit visible light having a wavelength of 400 nm to 700 nm in red (Red: hereinafter abbreviated as R), green (green: hereinafter abbreviated as G), and blue (Blue). A color display or color separation is performed with the three primary colors (abbreviated to B below). Therefore, the color separation performance directly leads to the quality of the output image. Due to its toning, B is generally a mixture of two types of blue pigment and biot pigment. In recent years, the image sensor has a yellow color (Yel
low: hereinafter abbreviated as Y), magenta (Magent)
a: Complementary color filter for cyan (Cyan: hereinafter abbreviated as C) has also been adopted. In each case, a color filter using an organic pigment having high reliability in terms of light resistance, heat resistance, etc. is adopted in many of its products.
【０００３】図６に、代表的な撮像素子の構成の例を断
面図にて示した。半導体基板（６１）に形成された光電
変換素子（６２）上に、４色構成の補色系カラーフィル
タ（Ｙ、Ｍ、Ｃ、Ｇ−２）（６５）やマイクロレンズ
（６７）などが形成されている。４色構成の補色系カラ
ーフィルタ（６５）に接する形で、平坦化層（６４）、
また、マイクロレンズ（６７）の下地としてアンダーコ
ート層（６６）が形成されることが一般的である。尚、
図６において、４色構成の補色系カラーフィルタはＹの
カラーフィルタ、Ｍのカラーフィルタ、Ｃのカラーフィ
ルタ、Ｇ−２のカラーフィルタで構成されている。ま
た、撮像素子では、補色系、原色系カラーフィルターと
もに、波長３６５ｎｍの光を用いてステッパー露光機に
て露光し、アルカリ現像し、ホットプレート等で硬膜す
るフォトリソグラフィーのプロセスで製造している。FIG. 6 is a sectional view showing an example of the structure of a typical image pickup device. On the photoelectric conversion element (62) formed on the semiconductor substrate (61), color filters (Y, M, C, G-2) of complementary colors of four colors (65), microlenses (67), etc. are formed. ing. A flattening layer (64) in contact with a complementary color filter (65) having a four-color structure,
An undercoat layer (66) is generally formed as a base of the microlens (67). still,
In FIG. 6, the complementary color filters of four colors are composed of Y color filters, M color filters, C color filters, and G-2 color filters. In the image sensor, both complementary color and primary color filters are manufactured by a photolithography process in which light having a wavelength of 365 nm is used for exposure by a stepper exposure machine, alkali development is performed, and a film is hardened on a hot plate or the like. .
【０００４】しかしながら、原色系のＧ、Ｂ、および補
色系のＣについては、理想的な顔料がなく、それぞれの
分光特性に難点がある。図３に 代表的なＧ顔料（Ｇ３
２）、Ｂ顔料（Ｂ３１）の分光カーブを示した。波長６
００ｎｍ以上の長波長側のところに光を透過する、所謂
“浮き”がある。Ｇ顔料（Ｇ３２）では浮き（３４）、
Ｂ顔料（Ｂ３１）では浮き（３３）がある。However, with respect to the primary color systems G and B and the complementary color system C, there are no ideal pigments, and there are problems in their respective spectral characteristics. Figure 3 shows a typical G pigment (G3
2) and the spectral curve of B pigment (B31) are shown. Wavelength 6
There is so-called "floating" in which light is transmitted on the long wavelength side of 00 nm or more. The G pigment (G32) floats (34),
The B pigment (B31) has a float (33).
【０００５】撮像素子では、この“浮き”のため、原色
系カラーフィルタとして赤の色が悪くなってしまう欠点
がある。すなわち、赤の色はＲのカラーフィルタを介し
て受光素子に入る光量から、波長６００ｎｍから７００
ｎｍの範囲のＧ顔料（Ｇ３２）やＢ顔料（Ｂ３１）の、
本来はボトム“ゼロ”の光量を差し引いた部分で表示す
ることになる。しかし、この部分にＧ顔料（Ｇ３２）の
浮き（３４）、Ｂ顔料（Ｂ３１）の浮き（３３）がある
と、結果として、原色系カラーフィルタとしては赤の色
が暗く表示されることになり、全体の色バランスを崩し
てしまう。In the image pickup device, this "floating" causes a problem that the red color is deteriorated as a primary color filter. That is, the red color is determined by the amount of light entering the light receiving element through the R color filter,
of G pigment (G32) and B pigment (B31) in the range of nm,
Originally, it is displayed in the part where the light amount of the bottom "zero" is subtracted. However, if the G pigment (G32) is floated (34) and the B pigment (B31) is floated (33) in this part, as a result, the red color is displayed dark as a primary color filter. , The whole color balance is lost.
【０００６】Ｂは前記したようにブルー顔料とバイオッ
ト顔料の２種類を混ぜあわせて調色することが一般的で
ある。ブルー顔料を増やす（バイオット顔料を減らす）
ことにより、このＢ顔料（Ｂ３１）の浮き（３３）を減
らし、図４に示すＢ’の分光カーブにすることができ
る。分光カーブの上で、好ましいこの操作は、しかしな
がら、図３に示す波長３６５ｎｍの透過率（３５）を下
げてしまう欠点がある。同時に波長４５０ｎｍ以下の短
波長側の透過率も減少させる好ましくない傾向もある。
波長３６５ｎｍの透過率を下げることは、ステッパーで
の露光が十分に行えないといった問題となる。特に、
Ｂ’の色に関しては、Ｂフォトレジストの下層まで光が
入らないため、現像時に露光されていないＢ’画素の下
層からハガレが発生し、不良をつくる大きな原因となっ
ていた。As described above, B is generally prepared by mixing two kinds of blue pigment and biot pigment to prepare a color. Increase blue pigment (decrease biot pigment)
As a result, the float (33) of the B pigment (B31) can be reduced and the spectral curve of B ′ shown in FIG. 4 can be obtained. On the spectral curve, this preferred operation, however, has the drawback of lowering the transmission (35) at the wavelength of 365 nm shown in FIG. At the same time, there is also an unfavorable tendency to reduce the transmittance on the short wavelength side of 450 nm or less.
Reducing the transmittance at a wavelength of 365 nm poses a problem that exposure with a stepper cannot be performed sufficiently. In particular,
Regarding the color of B ', since light does not reach the lower layer of the B photoresist, peeling occurs from the lower layer of the B'pixel which is not exposed during development, which is a major cause of defectiveness.
【０００７】また、Ｂ’の分光カーブは、半値（５０％
透過率の波長の値）が、長波長側に寄りすぎているた
め、ＧとＢ’との色分離が悪い欠点があった。すなわ
ち、Ｂ’の半値より長波長側の面積に相当する部分がＧ
の光量から差し引かれるために、原色系カラーフィルタ
としては緑の色を暗くしてしまう欠点となる。また、図
５に代表的なＣ顔料（Ｃ５１）の分光カーブを示した。
Ｃも、ＢやＧと同様、波長６００ｎｍ以上の長波長側の
ところにＣ顔料の浮き（５３）がある。補色系カラーフ
ィルタにおいても、こうしたＣの浮きはより良い色分離
のためには避ける必要がある。なお、補色用グリーン色
（Ｇ−２）は、基本的にはＣ顔料とＹ顔料を加算したも
のであり、長波長側６５０ｎｍ〜７００ｎｍ付近におい
てＣ顔料の分光カーブと同じ傾向の浮きを伴う。The spectral curve of B'has a half value (50%
Since the transmittance wavelength value) is too close to the long wavelength side, there is a defect that the color separation between G and B ′ is poor. That is, the portion corresponding to the area on the longer wavelength side than the half value of B ′ is G
Since it is subtracted from the amount of light, the primary color filter has a drawback of darkening the green color. Further, FIG. 5 shows a spectral curve of a typical C pigment (C51).
Similar to B and G, C also has a C pigment float (53) on the long wavelength side of 600 nm or more. Even in the complementary color filter, such floating of C should be avoided for better color separation. In addition, the complementary green color (G-2) is basically the addition of the C pigment and the Y pigment, and is accompanied by the floating of the same tendency as the spectral curve of the C pigment near the long wavelength side of 650 nm to 700 nm.
【０００８】[0008]
【発明が解決しようとする課題】本発明は、上記の問題
点に鑑みてなされたものであり、Ｂ、Ｇ、Ｃの各カラー
フィルタの波長６００ｎｍ以上の長波長側の“浮き”を
抑え、色分離の良い有機顔料を用いたカラーフィルタを
提供することを課題とするものである。The present invention has been made in view of the above problems, and suppresses "floating" on the long wavelength side of wavelengths of 600 nm or more of each of B, G, and C color filters, It is an object to provide a color filter using an organic pigment having good color separation.
【０００９】[0009]
【課題を解決するための手段】本発明は、赤色（Ｒｅ
ｄ）、緑色（Ｇｒｅｅｎ）、青色（Ｂｌｕｅ）の原色系
カラーフィルタにおいて、該原色系カラーフィルタを構
成する緑色（Ｇｒｅｅｎ）と青色（Ｂｌｕｅ）の２色、
もしくは これらの内１色のカラーフィルタが、波長６
００ｎｍ以上の長波長側に吸収をもつ近赤外線吸収剤を
含有することを特徴とする有機顔料を用いたカラーフィ
ルタである。The present invention is based on red (Re
d), green (Blue), and blue (Blue) primary color filters, two colors of green (Green) and blue (Blue) that constitute the primary color filter,
Or, the color filter of one of these colors has a wavelength of 6
A color filter using an organic pigment, which contains a near-infrared absorbing agent having absorption on the long wavelength side of 00 nm or more.
【００１０】また、本発明は、イエロー色（Ｙｅｌｌｏ
ｗ）、マゼンタ色（Ｍａｇｅｎｔａ）、シアン色（Ｃｙ
ａｎ）の補色系カラーフィルタにおいて、該補色系カラ
ーフィルタを構成するシアン色（Ｃｙａｎ）のカラーフ
ィルタが、波長６００ｎｍ以上の長波長側に吸収をもつ
近赤外線吸収剤を含有することを特徴とする有機顔料を
用いたカラーフィルタである。The present invention also provides a yellow color (Yello
w), magenta color (Magenta), cyan color (Cy
An an) complementary color filter, wherein the cyan (Cyan) color filter forming the complementary color filter contains a near-infrared absorbing agent having absorption on the long wavelength side of 600 nm or more. It is a color filter using an organic pigment.
【００１１】また、本発明は、イエロー色（Ｙｅｌｌｏ
ｗ）、マゼンタ色（Ｍａｇｅｎｔａ）、シアン色（Ｃｙ
ａｎ）、補色用グリーン色（Ｇｒｅｅｎ−２）の４色構
成の補色系カラーフィルタにおいて、該４色構成の補色
系カラーフィルタを構成するシアン色（Ｃｙａｎ）のカ
ラーフィルタ及び補色用グリーン色（Ｇｒｅｅｎ−２）
のカラーフィルタが、波長６００ｎｍ以上の長波長側に
吸収をもつ近赤外線吸収剤を含有することを特徴とする
有機顔料を用いたカラーフィルタである。The present invention also provides a yellow color (Yello
w), magenta color (Magenta), cyan color (Cy
an) and a complementary color filter of a complementary green color (Green-2), a cyan color filter and a complementary green color (Green) that compose the complementary color filter of the four color configuration. -2)
Is a color filter using an organic pigment, which contains a near-infrared absorbing agent having absorption on the long wavelength side of 600 nm or more.
【００１２】[0012]
【発明の実施の形態】以下に本発明による有機顔料を用
いたカラーフィルタを、その実施形態に基づいて説明す
る。図１は、本発明のＢカラーフィルタ（Ｂ１１）とＧ
カラーフィルタ（Ｇ１２）の分光特性を示すものであ
る。Ｂカラーフィルタ（Ｂ１１）は、主溶剤をシクロヘ
キサノンとし、固形比約２０％（固形分中の顔料比率は
約２０％、樹脂分約８０％）、近赤外線吸収剤１％を溶
解せしめた感光性のアクリル樹脂塗布液にて、１．３μ
ｍ膜厚に形成したものである。顔料の構成は、Ｃ．Ｉ．
Ｐｉｇｍｅｎｔ ＰＢ１５：６と、Ｃ．Ｉ．Ｐｉｇｍｅ
ｎｔ ＰＶ２６を５：１混合とした。近赤外線吸収剤
は、山本化成（株）製のシアニン系赤外吸収剤を用い
た。BEST MODE FOR CARRYING OUT THE INVENTION A color filter using an organic pigment according to the present invention will be described below based on its embodiments. FIG. 1 shows the B color filter (B11) and G of the present invention.
It shows the spectral characteristics of the color filter (G12). The B color filter (B11) has a main solvent of cyclohexanone, a solid ratio of about 20% (a pigment ratio in the solid content is about 20%, a resin content is about 80%), and a near-infrared absorber 1% is photosensitive. 1.3μ with the acrylic resin coating liquid
It is formed to have a thickness of m. The composition of the pigment is C.I. I.
Pigment PB15: 6 and C.I. I. Pigme
nt PV26 was a 5: 1 mix. As the near infrared absorber, a cyanine infrared absorber manufactured by Yamamoto Kasei Co., Ltd. was used.
【００１３】Ｇカラーフィルタ（Ｇ１２）は、主溶剤を
シクロヘキサノンとし、固形比約２０％（固形分中の顔
料比率は約３０％、樹脂分約７０％）、近赤外線吸収剤
１％を溶解せしめた感光性のアクリル樹脂塗布液にて、
１．３μｍ膜厚に形成したものである。図１に示すよう
に、Ｂカラーフィルタ（Ｂ１１）とＧカラーフィルタ
（Ｇ１２）は、ともに波長６００ｎｍ以上の長波長側の
浮きが抑えられ、良好な分光特性となっている。The G color filter (G12) uses cyclohexanone as the main solvent, and dissolves about 20% solid ratio (pigment ratio in solid content is about 30%, resin content about 70%) and near infrared absorbing agent 1%. With a photosensitive acrylic resin coating liquid,
It is formed to a film thickness of 1.3 μm. As shown in FIG. 1, both the B color filter (B11) and the G color filter (G12) are suppressed in floating on the long wavelength side of wavelength 600 nm or more, and have good spectral characteristics.
【００１４】図２は、本発明のＣカラーフィルタ（Ｃ２
１）の分光特性を示すものである。Ｃカラーフィルタ
（Ｃ２１）は、主溶剤をシクロヘキサノンとし、固形比
約２０％（固形分中の顔料比率は約２０％、樹脂分約８
０％）、近赤外線吸収剤１％を溶解せしめた感光性のア
クリル樹脂塗布液にて、１．０μｍ膜厚に形成したもの
である。図２に示すように、Ｃカラーフィルタ（Ｃ２
１）は、波長６００ｎｍ以上の長波長側の浮きが抑えら
れ、良好な分光特性となっている。FIG. 2 shows a C color filter (C2 of the present invention.
It shows the spectral characteristics of 1). The C color filter (C21) uses cyclohexanone as the main solvent and has a solid ratio of about 20% (the pigment ratio in the solid content is about 20% and the resin content is about 8%).
0%), and a photosensitive acrylic resin coating liquid in which 1% of a near-infrared absorber is dissolved to form a film having a thickness of 1.0 μm. As shown in FIG. 2, the C color filter (C2
In 1), the floating on the long wavelength side of the wavelength of 600 nm or more is suppressed and the spectral characteristics are good.
【００１５】本発明で使用可能な近赤外線吸収剤として
は、アントラキノン系化合物、フタロシアニン系化合
物、ポリメチレン系化合物、アルミニウム系化合物、ジ
イモニウム系化合物、イモニウム系化合物、アゾ系化合
物などがあげられる。近赤外線吸収剤の多くは、その吸
収波長域が限定され、要求する吸収特性の全てを１種類
の近赤外線吸収剤でカバーすることが難しいことがあ
る。この場合、複数の近赤外線吸収剤を混合して用いて
も良い。あるいは、カラーフィルタに添加混合した近赤
外線吸収剤と、別種類の近赤外線吸収剤を平坦化層やア
ンダーコート層に添加して用いても良い。複数種の近赤
外線吸収剤を用いて、波長６００ｎｍ〜１１００ｎｍの
広い範囲の近赤外線吸収域を持つ形で使用しても良い。Examples of the near-infrared absorber that can be used in the present invention include anthraquinone compounds, phthalocyanine compounds, polymethylene compounds, aluminum compounds, diimonium compounds, immonium compounds and azo compounds. Many near-infrared absorbers have a limited absorption wavelength range, and it may be difficult to cover all the required absorption characteristics with one type of near-infrared absorber. In this case, a plurality of near infrared ray absorbents may be mixed and used. Alternatively, the near-infrared absorbing agent mixed and added to the color filter and another type of near-infrared absorbing agent may be added to the flattening layer or the undercoat layer and used. A plurality of types of near-infrared absorbing agents may be used and used in a form having a wide range of near-infrared absorbing region having a wavelength of 600 nm to 1100 nm.
【００１６】[0016]
【発明の効果】本発明は、原色系カラーフィルタにおい
て、緑色（Ｇｒｅｅｎ）と青色（Ｂｌｕｅ）の２色、も
しくは これらの内１色のカラーフィルタが、波長６０
０ｎｍ以上の長波長側に吸収をもつ近赤外線吸収剤を含
有するので、カラーフィルタの波長６００ｎｍ以上の長
波長側の“浮き”を抑え、色分離の良い有機顔料を用い
たカラーフィルタとなる。また、本発明は、補色系カラ
ーフィルタにおいて、シアン色（Ｃｙａｎ）のカラーフ
ィルタが、波長６００ｎｍ以上の長波長側に吸収をもつ
近赤外線吸収剤を含有するので、カラーフィルタの波長
６００ｎｍ以上の長波長側の“浮き”を抑え、色分離の
良い有機顔料を用いたカラーフィルタとなる。また、本
発明は、４色構成の補色系カラーフィルタにおいて、シ
アン色（Ｃｙａｎ）のカラーフィルタ及び補色用グリー
ン色（Ｇｒｅｅｎ−２）のカラーフィルタが、波長６０
０ｎｍ以上の長波長側に吸収をもつ近赤外線吸収剤を含
有するので、カラーフィルタの波長６００ｎｍ以上の長
波長側の“浮き”を抑え、色分離の良い有機顔料を用い
たカラーフィルタとなる。According to the present invention, in a primary color filter, two colors of green (Green) and blue (Blue), or one of these color filters has a wavelength of 60%.
Since the near-infrared absorbing agent having absorption on the long wavelength side of 0 nm or more is contained, "floating" of the color filter on the long wavelength side of 600 nm or more is suppressed, and a color filter using an organic pigment having good color separation is obtained. Further, in the present invention, in the complementary color filter, since the cyan color filter contains a near-infrared absorbing agent having absorption on the long wavelength side of wavelength 600 nm or longer, the color filter has a long wavelength of 600 nm or longer. The color filter uses an organic pigment that suppresses "floating" on the wavelength side and has good color separation. Further, according to the present invention, in a complementary color filter having a four-color structure, a cyan (Cyan) color filter and a complementary green color filter (Green-2) have a wavelength of 60%.
Since the near-infrared absorbing agent having absorption on the long wavelength side of 0 nm or more is contained, "floating" of the color filter on the long wavelength side of 600 nm or more is suppressed, and a color filter using an organic pigment having good color separation is obtained.
【図１】本発明のＢカラーフィルタとＧカラーフィルタ
の分光特性の説明図である。FIG. 1 is an explanatory diagram of spectral characteristics of a B color filter and a G color filter of the present invention.
【図２】本発明のＣカラーフィルタの分光特性の説明図
である。FIG. 2 is an explanatory diagram of spectral characteristics of a C color filter of the present invention.
【図３】代表的なＧ顔料、Ｂ顔料の分光カーブの説明図
である。FIG. 3 is an explanatory diagram of spectral curves of representative G pigments and B pigments.
【図４】Ｂ顔料の浮きを減らしたＢ’顔料の分光カーブ
の説明図である。FIG. 4 is an explanatory diagram of a spectral curve of B ′ pigment in which the floating of B pigment is reduced.
【図５】代表的なＣ顔料の分光カーブの説明図である。FIG. 5 is an explanatory diagram of a spectral curve of a representative C pigment.
【図６】代表的な撮像素子の構成の断面図である。FIG. 6 is a cross-sectional view of a configuration of a typical image sensor.
３３・・・Ｂ顔料の浮き ３４・・・Ｇ顔料の浮き ５３・・・Ｃ顔料の浮き ６１・・・半導体基板 ６２・・・光電変換素子 ６４・・・平坦化層 ６５・・・４色構成の補色系カラーフィルタ ６６・・・アンダーコート層 ６７・・・マイクロレンズ Ｂ１１・・・本発明のＢカラーフィルタ Ｃ２１・・・本発明のＣカラーフィルタ Ｇ１２・・・本発明のＧカラーフィルタ Ｂ３１・・・代表的なＢ顔料 Ｃ５１・・・代表的なＣ顔料 Ｇ３２・・・代表的なＧ顔料 33 ... B pigment float 34 ... G pigment float 53 ... C pigment float 61 ... Semiconductor substrate 62 ... Photoelectric conversion element 64 ... Flattening layer 65 ... Complementary color filter of four-color configuration 66 ... Undercoat layer 67 ... Microlens B11 ... B color filter of the present invention C21 ... C color filter of the present invention G12 ... G color filter of the present invention B31 ... Representative B pigment C51 ... Representative C pigment G32 ... Representative G pigment
───────────────────────────────────────────────────── フロントページの続き Ｆターム(参考） 2H048 BA02 BA45 BA48 BB02 BB13 BB22 BB42 BB46 2H091 FA02X FA02Y FB02 FD24 LA15 LA16 LA20 4M118 AB01 GC07 GC09 GD04 ─────────────────────────────────────────────────── ─── Continued front page F term (reference) 2H048 BA02 BA45 BA48 BB02 BB13 BB22 BB42 BB46 2H091 FA02X FA02Y FB02 FD24 LA15 LA16 LA20 4M118 AB01 GC07 GC09 GD04
Claims (3)
色（Ｂｌｕｅ）の原色系カラーフィルタにおいて、該原
色系カラーフィルタを構成する緑色（Ｇｒｅｅｎ）と青
色（Ｂｌｕｅ）の２色、もしくは これらの内１色のカ
ラーフィルタが、波長６００ｎｍ以上の長波長側に吸収
をもつ近赤外線吸収剤を含有することを特徴とする有機
顔料を用いたカラーフィルタ。1. In a primary color filter of red, green, and blue, two colors of green (green) and blue (blue) constituting the primary color filter, or these A color filter using an organic pigment, wherein the color filter of one of the colors contains a near-infrared absorber having absorption on the long wavelength side of wavelength 600 nm or more.
（Ｍａｇｅｎｔａ）、シアン色（Ｃｙａｎ）の補色系カ
ラーフィルタにおいて、該補色系カラーフィルタを構成
するシアン色（Ｃｙａｎ）のカラーフィルタが、波長６
００ｎｍ以上の長波長側に吸収をもつ近赤外線吸収剤を
含有することを特徴とする有機顔料を用いたカラーフィ
ルタ。2. In a complementary color filter of yellow, magenta and cyan, the cyan color filter constituting the complementary color filter has a wavelength of 6
A color filter using an organic pigment, which contains a near-infrared absorber having absorption on the long wavelength side of 00 nm or more.
（Ｍａｇｅｎｔａ）、シアン色（Ｃｙａｎ）、補色用グ
リーン色（Ｇｒｅｅｎ−２）の４色構成の補色系カラー
フィルタにおいて、該４色構成の補色系カラーフィルタ
を構成するシアン色（Ｃｙａｎ）のカラーフィルタ及び
補色用グリーン色（Ｇｒｅｅｎ−２）のカラーフィルタ
が、波長６００ｎｍ以上の長波長側に吸収をもつ近赤外
線吸収剤を含有することを特徴とする有機顔料を用いた
カラーフィルタ。3. A complementary color system having a four-color structure of a yellow color, a magenta color, a cyan color, and a complementary green color (Green-2). The cyan (Cyan) color filter and the complementary green color (Green-2) color filter that form the color filter contain a near-infrared absorbing agent having absorption on the long wavelength side of 600 nm or more. Color filter using organic pigments.
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|---|---|---|---|
| JP2002021220A JP2003222719A (en) | 2002-01-30 | 2002-01-30 | Color filter using organic pigment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002021220A JP2003222719A (en) | 2002-01-30 | 2002-01-30 | Color filter using organic pigment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2003222719A true JP2003222719A (en) | 2003-08-08 |
Family
ID=27744526
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2002021220A Pending JP2003222719A (en) | 2002-01-30 | 2002-01-30 | Color filter using organic pigment |
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| Country | Link |
|---|---|
| JP (1) | JP2003222719A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006024832A (en) * | 2004-07-09 | 2006-01-26 | Fuji Film Microdevices Co Ltd | Solid-state imaging device and digital camera |
| WO2006104053A1 (en) | 2005-03-25 | 2006-10-05 | Kuraray Co., Ltd | Paper container |
| JP2007141876A (en) * | 2005-11-14 | 2007-06-07 | Sony Corp | Semiconductor imaging device and its fabrication process |
| JP2010256841A (en) * | 2009-04-02 | 2010-11-11 | Toppan Printing Co Ltd | Image display and method for manufacturing the same |
| US20160327860A1 (en) * | 2014-01-31 | 2016-11-10 | Fujifilm Corporation | Green coloring composition for use in color filter, colored film, color filter, and solid-state imaging element |
| JPWO2016190162A1 (en) * | 2015-05-22 | 2018-04-12 | 富士フイルム株式会社 | Coloring composition, film, color filter, pattern forming method, color filter manufacturing method, solid-state imaging device, and infrared sensor |
| JPWO2016186050A1 (en) * | 2015-05-20 | 2018-04-19 | 富士フイルム株式会社 | Infrared absorbing composition, infrared cut filter, laminate, pattern forming method, and solid-state imaging device |
-
2002
- 2002-01-30 JP JP2002021220A patent/JP2003222719A/en active Pending
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006024832A (en) * | 2004-07-09 | 2006-01-26 | Fuji Film Microdevices Co Ltd | Solid-state imaging device and digital camera |
| WO2006104053A1 (en) | 2005-03-25 | 2006-10-05 | Kuraray Co., Ltd | Paper container |
| JP2007141876A (en) * | 2005-11-14 | 2007-06-07 | Sony Corp | Semiconductor imaging device and its fabrication process |
| US8093093B2 (en) | 2005-11-14 | 2012-01-10 | Sony Corporation | Semiconductor imaging instrument and manufacturing method thereof, and camera and manufacturing method thereof |
| US8569854B2 (en) | 2005-11-14 | 2013-10-29 | Sony Corporation | Semiconductor imaging instrument and manufacturing method thereof, and camera and manufacturing method thereof |
| JP2010256841A (en) * | 2009-04-02 | 2010-11-11 | Toppan Printing Co Ltd | Image display and method for manufacturing the same |
| US20160327860A1 (en) * | 2014-01-31 | 2016-11-10 | Fujifilm Corporation | Green coloring composition for use in color filter, colored film, color filter, and solid-state imaging element |
| US9740095B2 (en) * | 2014-01-31 | 2017-08-22 | Fujifilm Corporation | Green coloring composition for use in color filter, colored film, color filter, and solid-state imaging device |
| JPWO2016186050A1 (en) * | 2015-05-20 | 2018-04-19 | 富士フイルム株式会社 | Infrared absorbing composition, infrared cut filter, laminate, pattern forming method, and solid-state imaging device |
| US10598835B2 (en) | 2015-05-20 | 2020-03-24 | Fujifilm Corporation | Infrared absorbing composition, infrared cut filter, laminate, pattern forming method, solid image pickup element |
| JPWO2016190162A1 (en) * | 2015-05-22 | 2018-04-12 | 富士フイルム株式会社 | Coloring composition, film, color filter, pattern forming method, color filter manufacturing method, solid-state imaging device, and infrared sensor |
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