JPH04175193A - Image forming method - Google Patents
Image forming methodInfo
- Publication number
- JPH04175193A JPH04175193A JP4926290A JP4926290A JPH04175193A JP H04175193 A JPH04175193 A JP H04175193A JP 4926290 A JP4926290 A JP 4926290A JP 4926290 A JP4926290 A JP 4926290A JP H04175193 A JPH04175193 A JP H04175193A
- Authority
- JP
- Japan
- Prior art keywords
- printing plate
- ink
- printing
- image
- substrate
- 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
- 238000000034 method Methods 0.000 title claims abstract description 36
- 238000007639 printing Methods 0.000 claims abstract description 58
- 239000000758 substrate Substances 0.000 claims abstract description 25
- 239000011347 resin Substances 0.000 claims abstract description 18
- 229920005989 resin Polymers 0.000 claims abstract description 18
- 238000009281 ultraviolet germicidal irradiation Methods 0.000 claims abstract description 6
- 238000001035 drying Methods 0.000 claims description 2
- 238000003825 pressing Methods 0.000 claims description 2
- 238000010017 direct printing Methods 0.000 claims 1
- 239000011248 coating agent Substances 0.000 abstract description 4
- 238000000576 coating method Methods 0.000 abstract description 4
- 238000003848 UV Light-Curing Methods 0.000 abstract 2
- 230000004304 visual acuity Effects 0.000 abstract 2
- 239000000976 ink Substances 0.000 description 24
- 238000000206 photolithography Methods 0.000 description 8
- 238000012546 transfer Methods 0.000 description 7
- 239000000049 pigment Substances 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 238000004043 dyeing Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000007645 offset printing Methods 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 1
- 241000406668 Loxodonta cyclotis Species 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 238000007646 gravure printing Methods 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000002250 progressing effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Abstract
Description
【発明の詳細な説明】
〈産業上の利用分野〉
この発明は透明基板の上にカラー画像を形成する方法に
関するものである。DETAILED DESCRIPTION OF THE INVENTION <Industrial Application Field> This invention relates to a method of forming a color image on a transparent substrate.
〈従来の技術〉
液晶用カラーフィルタのように微細な線からなる画像を
ガラス基板上に形成する方法として、従来、主として用
いられたものには次の２つの方法が挙げられる。<Prior Art> As a method of forming an image consisting of fine lines, such as a color filter for liquid crystal, on a glass substrate, the following two methods have been mainly used in the past.
１つは、感光性樹脂を塗布、マスクを介して露光、現像
した後、残存部分を染色して画像形成する染色法、透明
感光性樹脂に着色剤として顔料を分散した感光液を塗布
した後、マスクを介して露光し、不必要な部分を洗い流
して画像形成する顔料分散法等のいわゆるフォトリソグ
ラフィ法。One is a dyeing method in which a photosensitive resin is applied, exposed to light through a mask, developed, and then the remaining portion is dyed to form an image.The first method is to apply a photosensitive liquid containing a pigment dispersed as a coloring agent to a transparent photosensitive resin. , a so-called photolithography method such as a pigment dispersion method in which images are formed by exposing to light through a mask and washing away unnecessary areas.
もう１つは、画像を焼き込んだ印刷版から、基板上に一
色毎に、インキを印刷、焼成していく印刷法である。The other is a printing method in which ink is printed and fired in each color onto a substrate from a printing plate on which an image has been imprinted.
フォトリソグラフィ法によれば、全体寸法及び１ｉ線形
状共に精度の高いものを作ることができ、かつ解像度の
高い画像を得ることができるため、広く利用されている
。一方、印刷法は精度などの問題から、比較的簡単な製
品に利用されているが、工程数が少なくコストを低減で
きるとの見方から、より精巧な製品を作成するための技
術開発が進められている。The photolithography method is widely used because it can produce highly accurate overall dimensions and 1i-line shapes, and it can also provide images with high resolution. On the other hand, printing methods are used for relatively simple products due to problems such as accuracy, but technological development is progressing to create more sophisticated products because of the small number of steps and the ability to reduce costs. ing.
〈発明が解決しようとする課題〉
フォトリソグラフィ法では、全体寸法及び画線形状共に
精度が高く、解像度の高い画像を得ることができる反面
、製作工程が多いため、コストが高くなるという欠点が
ある。<Problems to be Solved by the Invention> Although the photolithography method has high precision in overall dimensions and line shapes and can obtain high-resolution images, it has the drawback of high costs due to the large number of manufacturing steps. .
フォトリソグラフィ法のうち、顔料分散法の製作工程の
概要について例を示すと、
（イ）基板の前処理
（ロ）カラーレジストのコーティング
（ハ）ソフトベーキング
（ニ）酸素遮断膜のコーティング
〈ホ）ベーキング
（へ）マスク露光
（ト）ベーキング
（チ）現像
（す）水洗
（ヌ）ポストベーキング
と工程数が多いことがわかる。Among the photolithography methods, an example of the outline of the production process using the pigment dispersion method is as follows: (a) Pretreatment of the substrate (b) Coating of color resist (c) Soft baking (d) Coating of oxygen barrier film (e) It can be seen that there are a large number of steps including baking (f), mask exposure (t), baking (ch), development (su), washing with water (n), and post-baking.
また、フォトリソグラフィ法において、特に染料を使用
する場合には耐熱性など耐性面にも問題があり、この問
題が原因となって、染色時にムラノ等が発生して大きな
サイズのものはできにくいなどの課題を抱えている。In addition, in the photolithography method, there are problems with durability such as heat resistance, especially when dyes are used, and this problem causes murano etc. to occur during dyeing, making it difficult to produce large sizes. are facing challenges.
一方、印刷法では、印刷版作製を準備工程として除くと
、
（イ）インキング
（ロ）転写
（ハ）ベーキング
と工程は顔料分散法に比べて少ない。着色材料のインキ
についてもベースの樹脂を選ぶことにより耐性の高いも
のを作ることが可能である。しかし、印刷法ではインキ
の転移に伴う物性の問題から１つひとつの画素の形状が
変形し解像力を落としてしまうどういう課題がある。On the other hand, in the printing method, excluding printing plate making as a preparatory step, the steps of (a) inking, (b) transfer, and (c) baking are fewer than the pigment dispersion method. It is also possible to make highly durable inks for coloring materials by selecting the base resin. However, printing methods have the problem of physical properties associated with ink transfer, which deforms the shape of each pixel and reduces resolution.
印刷法で−Ｒ２に使用されているオフセット印刷機を例
に転写の過程を簡単に説明すると、印刷版上にインキン
グされたインキの画像を一旦円筒上のブランケット胴に
転写させこれを基板上に再度転写させる構造となってあ
り、この転写の途中で、例えば正方形の画像が長方形や
台形になったり、平行四辺形につぶれる等、全体の画像
が変形するのが見られる。To briefly explain the transfer process using the offset printing machine used in the -R2 printing method as an example, the ink image inked on the printing plate is first transferred to a cylindrical blanket cylinder, and then transferred onto the substrate. During this transfer, the entire image can be seen to be deformed, for example, a square image becomes a rectangle, trapezoid, or collapses into a parallelogram.
また、形成されたインキ被膜は膜厚の凹凸が細かくあり
、さらに水平方向にもビリツキができるため画像の線幅
は一定でないという課題もある。Further, the formed ink film has fine irregularities in film thickness, and also has unevenness in the horizontal direction, so there is a problem that the line width of the image is not constant.
く課題を解決するための手段〉
この発明は印刷（印刷インキと印刷版を使用して画像を
作る）法を用いることにより、工程を短縮しながら、フ
ォトリソグラフィ法なみの画素の解像度と全体ｒｆｆＪ
像の寸法精度の高さを得るためのものである。Means for Solving the Problems This invention uses a printing method (creating an image using printing ink and a printing plate) to shorten the process while achieving pixel resolution comparable to photolithography and overall RFFJ.
This is to obtain high dimensional accuracy of the image.
第１図を参照して工程を説明する。The process will be explained with reference to FIG.
使用する印刷版は、通常印刷て使用するオフセット印刷
用平凹版またはグラビア印刷用凹版印刷版と同じもので
、所望の画像が形成されれている。The printing plate used is the same as the flat intaglio printing plate for offset printing or the intaglio printing plate for gravure printing that is normally used for printing, and the desired image is formed thereon.
（イ）準備済みの平凹版用または凹版用印刷版（４）上
の画線部に平版用の場合はインキローラー、凹版用の場
合にはドクターを用いてＵＶ硬化型インキをインキング
する工程。(b) Step of inking the image area on the prepared flat intaglio or intaglio printing plate (4) with UV-curable ink using an ink roller in the case of planographic printing or a doctor in the case of intaglio printing. .
（ロ）版上のインキ（３）をそのままＵＶ照射により乾
燥、硬化する工程。(b) A step of drying and curing the ink (3) on the plate by UV irradiation.
（ハ）該印刷版上全面にＵＶ硬化型透明樹脂（２）を塗
布または適下し、被印刷体となる透明基板（１）を被印
刷面が内側となるように重ね合わせ圧力を加える工程。(c) A step of applying or dropping UV curable transparent resin (2) on the entire surface of the printing plate, and applying pressure to overlap the transparent substrate (1) that will become the printing object so that the printing surface is on the inside. .
（ニ）印刷版（４）と透明基板（１）位置を必要に応じ
ての調整する工程。(d) A step of adjusting the positions of the printing plate (4) and the transparent substrate (1) as necessary.
（ホ）ＵＶ光を照射し透明樹脂を完全に硬化する工程。(e) Completely curing the transparent resin by irradiating UV light.
（へ）基板を剥離する工程。(f) Process of peeling off the substrate.
く作用〉
この発明で使用される印刷版への画像形成について簡単
に説明する。Effect> Image formation on the printing plate used in this invention will be briefly explained.
水なし用平凹版の場合には、感脂性のある基板上に感光
性樹脂層があり、この上にシリコン層が形成されている
構造となっている。マスクを介して選択露光し、現ｆ象
することにより、下層の感光層が上層のシリコン層とと
もに剥離し、画線部として感脂性のある凹部がてきあが
る。In the case of a waterless planar intaglio plate, there is a photosensitive resin layer on an oil-sensitive substrate, and a silicon layer is formed on this layer. By performing selective exposure through a mask and causing a phenomenon, the lower photosensitive layer is peeled off together with the upper silicon layer, and oil-sensitive recesses are formed as image areas.
また、グラビア用凹版についても基板上に感光性レジス
トを塗布しており、同様にマスクで選択露光し、現像す
ることにより、レジストが選択的に除去され、さらにエ
ツチング処理することによりレジストが除去された部分
の基盤がエツチングされ画線部としての凹部が形成され
る。In addition, for gravure intaglio plates, a photosensitive resist is coated on the substrate, and in the same way, the resist is selectively removed by selective exposure with a mask and development, and then the resist is removed by further etching treatment. The etched portion of the base is etched to form a recessed portion as an image portion.
以上のように、印刷版はフォトリソグラフィ法により作
られているため印刷版上では画素の１つひとつや画ｒ象
全体の寸法の精度は高くできている。As described above, since the printing plate is made by photolithography, the dimensions of each pixel and the entire image on the printing plate are made with high precision.
−船釣に印刷の方向に対して版寸法よりでき上がり画像
寸法は５０から２００μｍ程度ののび変形があるが、こ
の発明では、印刷版上の画像が直接面から面に圧着転写
する結果ガラス等の基板上に画（象が形成されるので、
印刷版通り、全体の寸法精度が高い画像を形成すること
ができる。- In boat fishing, the size of the finished image is elongated by about 50 to 200 μm in the direction of printing, but in this invention, the image on the printing plate is transferred directly from surface to surface by pressure transfer, resulting in printing on glass, etc. An image (elephant) is formed on the substrate, so
It is possible to form an image with high overall dimensional accuracy just like the printing plate.
第２ａ図はこの発明による画ｆ象の断面図、第２ｂ図は
従来の印刷によるインキ被膜の形状を現す断面図である
。FIG. 2a is a sectional view of an image according to the present invention, and FIG. 2b is a sectional view showing the shape of an ink film formed by conventional printing.
従来の印刷法による画素に見られた膜厚の凹凸は、この
発明では、インキローラーから印刷版へのインキングの
際に見られるが、凹凸部分は透明樹脂層中に埋まってし
まっている。実際表面に露呈しているインキ被膜面は、
印刷版上の画線部の面をそのまま写したものであり、平
坦である。また、同様の理由からエッヂも美しく、線幅
も安定している。In the present invention, the irregularities in the film thickness seen in pixels by conventional printing methods are seen during inking from the ink roller to the printing plate, but the irregularities are buried in the transparent resin layer. The ink coating surface that is actually exposed on the surface is
It is a direct copy of the surface of the image on the printing plate, and is flat. Also, for the same reason, the edges are beautiful and the line width is stable.
また、従来ては細線等を印刷する際にはインキの粘弾性
的性格により転写時に変形が起き、これが線の両側にビ
リツキとなって表れる。このビリツキは一般的に１０μ
ｍ程度はあり細線の両側にあると考えると、２０μｍの
線を印刷するのが限界であるといえる。しかし、この発
明では膜厚の変形（凹凸）がないのと同様、このビリツ
キもなくなるため、５μｍ程度までシャープに画像を作
ることができる。Furthermore, conventionally, when printing thin lines, etc., deformation occurs during transfer due to the viscoelastic nature of the ink, and this appears as tangles on both sides of the line. This vibration is generally 10μ
Considering that there are approximately 20 μm lines on both sides of the thin line, it can be said that printing a 20 μm line is the limit. However, in the present invention, as well as there being no deformation (unevenness) in the film thickness, this flickering is also eliminated, so that it is possible to create sharp images down to about 5 μm.
従って、画素の解像度は、版上で達成されているそのま
まを透明基板上に形成することができるので、フォトリ
ソグラフィ法と同じ程度まで高められる。Therefore, the pixel resolution can be formed on the transparent substrate exactly as it is achieved on the printing plate, so that the resolution of the pixels can be increased to the same level as that achieved with photolithography.
〈実施例〉
印刷版二乗し社製水なし版、マスク： ５から１５μま
での線をもったテスト版１．イ、；ンキ： Ｕ■硬化型
の黒インキを使用した。<Example> Waterless plate manufactured by Printing Plate Square Co., Ltd., mask: Test plate with lines from 5 to 15μ 1. Ink: U■ Curing type black ink was used.
（イ）版上の画線部にＵＶ硬化型黒インキを・インキロ
ーラーでインキングする。(b) Apply UV-curable black ink to the image area on the plate using an ink roller.
（ロ）印刷版上部よりＵＶ光を照射し、インキングされ
た黒インキが完全に硬化する直前まで照射を続ける。(b) UV light is irradiated from the top of the printing plate, and irradiation is continued until just before the black ink is completely cured.
（ハ）印刷版上全面にアクリレート系のＵＶ硬化型樹脂
を滴下
（ニ）透明基板を画像形成面が内側になるようにして印
刷版上に重ね、０．１〜ＩＫｇ／ｃｒｄ程度の圧力を加
え面圧着し、ＵＶ照射して表面のみ硬化させる。(c) Drop acrylate-based UV curable resin onto the entire surface of the printing plate. (d) Lay the transparent substrate on the printing plate with the image forming side facing inside, and apply a pressure of about 0.1 to IKg/crd. Additionally, surface pressure bonding is applied and UV irradiation is applied to harden only the surface.
（ホ）圧力を一旦除去し、位置を正確に補正してから、
透明基板側よりＵＶ照射することにより透明樹脂を完全
に硬化した。(e) Once the pressure is removed and the position is accurately corrected,
The transparent resin was completely cured by UV irradiation from the transparent substrate side.
（へ）透明基板を剥離する。(f) Peel off the transparent substrate.
以上より、例１５μのマスク設計の部分で１４μの幅の
画線部の高さ１．５μでエッチのたったシャープな画像
を得ることができた。From the above, it was possible to obtain a sharp etched image with a height of 1.5 μm and a width of 14 μm in the mask design of Example 15μ.
〈発明の効果〉
この発明によれば、印刷版上でインキを硬化しかつ透明
樹脂層を設けて転写して：いるため、形成されたインキ
被膜は、天地方向、平面方向共に、インキの粘弾性的性
格の影響を受けることなく形成されることとなり、イン
キ被膜面は平坦であり、線幅も印刷版の設計通りの安定
する。<Effects of the Invention> According to the present invention, since the ink is cured on the printing plate and transferred by providing a transparent resin layer, the formed ink film has no viscosity of the ink in both the vertical direction and the planar direction. The ink film is formed without being affected by elastic properties, and the ink film surface is flat and the line width is stable as designed for the printing plate.
また転写を面圧着で印刷版から基板へ直接行うため、画
像全体の変形を方向性（Ｘ方向Ｙ方向）なく１０μｍ以
下に抑えることができた。Furthermore, since the transfer was performed directly from the printing plate to the substrate by surface pressure bonding, deformation of the entire image could be suppressed to 10 μm or less without directionality (X direction and Y direction).
第１図は本発明の詳細な説明するための断面図硬化する
工程、 （Ｃ）は透明樹脂を滴下する工程、（ｄ）基板
を圧着し、ＵＶ光により硬化する工程、（ｅ）基板と印
刷版を剥離する工程。
１は基板、２は透明樹脂層、３はインキ被膜、４は印刷
版。
株式会社 光村原色版印刷所
代表者 杉 江 広
第１図
第２図
□１
□１
手 続 補 正 書
平成４年１月２７ 日Figure 1 is a cross-sectional view for explaining the present invention in detail; (C) is the process of dropping transparent resin; (d) is the process of press-bonding the substrate and curing with UV light; (e) is the process of bonding the substrate and curing with UV light. The process of peeling off the printing plate. 1 is a substrate, 2 is a transparent resin layer, 3 is an ink film, and 4 is a printing plate. Mitsumura Hara Color Printing Co., Ltd. Representative Hiroshi Sugie Figure 1 Figure 2 □1 □1 Procedures Amendment Document January 27, 1992
Claims (1)
面圧着することを特徴とする直刷り印刷法において、次
の工程よりなる画像の形成方法。 （イ）画像を焼き付けた印刷版の画線部に、ＵＶ硬化型
インキをインキングする工程。 （ロ）該印刷版上のインキをそのままＵＶ照射により乾
燥、硬化する工程。 （ハ）該印刷版上全面にＵＶ硬化型透明樹脂を塗布また
は適下し、被印刷体となる透明基板を被印刷面が内側と
なるように重ね合わせ圧力を加える工程。 （ニ）該印刷版と該透明基板位置を必要に応じて調整す
る工程。 （ホ）ＵＶ照射し該ＵＶ硬化型透明樹脂を硬化する工程
。 （ヘ）該透明基板を剥離する工程。[Scope of Claims] An image forming method comprising the following steps in a direct printing method characterized by plane pressure bonding of a printing plate and a printing medium using printing ink and a printing plate. (a) A process of inking UV-curable ink onto the image area of the printing plate on which the image has been printed. (b) A step of drying and curing the ink on the printing plate as it is by UV irradiation. (c) A step of applying or dropping a UV curable transparent resin onto the entire surface of the printing plate, and applying pressure to overlap the transparent substrate to be printed so that the surface to be printed is on the inside. (d) A step of adjusting the positions of the printing plate and the transparent substrate as necessary. (e) A step of curing the UV-curable transparent resin by UV irradiation. (f) A step of peeling off the transparent substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4926290A JPH04175193A (en) | 1990-03-02 | 1990-03-02 | Image forming method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4926290A JPH04175193A (en) | 1990-03-02 | 1990-03-02 | Image forming method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH04175193A true JPH04175193A (en) | 1992-06-23 |
Family
ID=12825916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4926290A Pending JPH04175193A (en) | 1990-03-02 | 1990-03-02 | Image forming method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH04175193A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5544582A (en) * | 1993-11-03 | 1996-08-13 | Corning Incorporated | Method for printing a color filter |
| US5701815A (en) * | 1993-11-03 | 1997-12-30 | Corning Incorporated | Method of printing a color filter |
-
1990
- 1990-03-02 JP JP4926290A patent/JPH04175193A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5544582A (en) * | 1993-11-03 | 1996-08-13 | Corning Incorporated | Method for printing a color filter |
| US5701815A (en) * | 1993-11-03 | 1997-12-30 | Corning Incorporated | Method of printing a color filter |
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