JPS5929225A - Production of color filter for liquid crystal display panel - Google Patents

Production of color filter for liquid crystal display panel

Info

Publication number
JPS5929225A
JPS5929225A JP57138450A JP13845082A JPS5929225A JP S5929225 A JPS5929225 A JP S5929225A JP 57138450 A JP57138450 A JP 57138450A JP 13845082 A JP13845082 A JP 13845082A JP S5929225 A JPS5929225 A JP S5929225A
Authority
JP
Japan
Prior art keywords
liquid crystal
display panel
crystal display
films
substrates
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
Application number
JP57138450A
Other languages
Japanese (ja)
Inventor
Mitsuyoshi Hamanaka
浜中　光好
Yasuo Wakahata
康男 若畑
Shinji Hisamitsu
久光　伸二
Masahiro Ito
昌宏 伊藤
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP57138450A priority Critical patent/JPS5929225A/en
Publication of JPS5929225A publication Critical patent/JPS5929225A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133509—Filters, e.g. light shielding masks
    • G02F1/133514—Colour filters
    • G02F1/133516—Methods for their manufacture, e.g. printing, electro-deposition or photolithography

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Liquid Crystal (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Optical Filters (AREA)

Abstract

PURPOSE:To decrease parallax and to easily obtain a sharp color image, by printing a soln. contg. a resin and a dye on the surfaces of one or both of the substrates of a liquid crystal display panel formed thereon with electrodes in a prescribed pattern thereby providing color filters. CONSTITUTION:An ink compsn. mixed with, for example, a polyimide resin, a dye of azo type or the like and a solvent is printed for each of desired colors in a prescribed pattern on the surfaces including transparent electrodes 2, 2 on transparent substrates 1, 1 of glass or the like to form color filters 3, 3. The surfaces of the filters 3, 3 are subjected to an orientation treatment and the oriented films of a liquid crystal 4 are superposed thereon. Polarization films 6, 6 are provided respectively on the outside surfaces of the substrates 1, 1. A dye may be impregnated in the films 3, 3 in a desired pattern after the formation of the resin films. The oriented films may be separately formed on the films 3, 3. The sharp image of a wide visual field is thus obtd.

Description

【発明の詳細な説明】 本発明は、カラー表示に使用される液晶表示ノ（ネルの
カラーフィルターの製造方法に関するものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a method for manufacturing a color filter for liquid crystal displays used for color display.

互いに対向する面にそれぞれ電極が形成された一対の基
板の間に液晶を充填してなる液晶表示）（ネルにおいて
、一方または両方の基板の内側にカラーフィルターを形
成すると、従来基板の外側に形成していた場合に比べて
、視差が小さくなり、鮮明で美しい画像を表示すること
ができる。そこで本発明は、基板の内側にカラーフィル
ターを具えた液晶表示パネルのカラーフィルター製造方
法を提供するものである。以下図面により、本発明の実
施例を詳細に説明する。A liquid crystal display in which liquid crystal is filled between a pair of substrates that have electrodes formed on their opposing surfaces. The parallax is smaller than in the case where the color filter is placed inside the substrate, and a clear and beautiful image can be displayed. Therefore, the present invention provides a method for manufacturing a color filter for a liquid crystal display panel that has a color filter inside the substrate. Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

第１図は、本発明の第１の実施例の断面図である。１は
それぞれの一表面に透明電極２が形成された一対のガラ
ス基板で、それぞれの透明電極２が形成された面に、ポ
リイミドなる樹脂とアゾ系およびアントラキノン系等の
色素と溶剤とを混合して合成したインク組成物を、所定
の）くターンで各色ごとに印刷してカラーフィルターを
形成し、このカラーフィルターを配向膜を兼ねたカラー
有機配向膜３として使用している。このようにしてカラ
ー有機配向膜３が形成された両ガラス基板１を、それぞ
れのカラー有機配向膜３を互いに対向させて設置し、両
ガラス基板１間に液晶４を充填し、７−ル樹脂５により
密封している。なお、両ガラス基板１の外面には偏光板
６がそれぞれ装着きれている。FIG. 1 is a sectional view of a first embodiment of the invention. 1 is a pair of glass substrates each having a transparent electrode 2 formed on one surface, and a polyimide resin, azo-based and anthraquinone-based dye, and a solvent are mixed on the surface on which each transparent electrode 2 is formed. The synthesized ink composition is printed in predetermined turns for each color to form a color filter, and this color filter is used as a color organic alignment film 3 that also serves as an alignment film. Both glass substrates 1 on which color organic alignment films 3 have been formed in this way are placed with their respective color organic alignment films 3 facing each other, liquid crystal 4 is filled between both glass substrates 1, and a 7-layer resin is placed. It is sealed by 5. Note that polarizing plates 6 are fully attached to the outer surfaces of both glass substrates 1, respectively.

マタ、ポリビニルアルコールなる樹脂と酢酸ビニル系の
色素と水と今混合して合成したインク組成物で前記のよ
うに印刷して、カラー有機配向膜３を形成しても同様で
ある。ここで、印刷精度を考慮すると、各色のカラー有
機配向膜３のエノ′ヂ部は重ね刷りをすることが望まし
い。The same effect can be obtained by printing as described above using the ink composition synthesized by mixing a polyvinyl alcohol resin, a vinyl acetate dye, and water to form the color organic alignment film 3. Here, in consideration of printing accuracy, it is desirable to overprint the edges of the color organic alignment film 3 of each color.

第２図は、本発明の第２の実施例の断面図である。１は
それぞれの一表面に透明電極２が形成された一対のガラ
ス基板で、それぞれの透明電極２が形成された面に、ア
セテートなる樹脂とアゾ系およびアントラキノン系の色
素と溶剤とを混合して合成したインク組成物を、所定の
パターンで各色ごとに印刷して、カラーフィルター７を
形成している。そして、カラーフィルター７を覆って有
機配向膜８を塗布した後、第１の実施例と同様にして液
晶表示パネルを構成している。FIG. 2 is a cross-sectional view of a second embodiment of the invention. 1 is a pair of glass substrates each having a transparent electrode 2 formed on one surface thereof, and a resin called acetate, an azo-based and anthraquinone-based dye, and a solvent are mixed on the surface on which each transparent electrode 2 is formed. The color filter 7 is formed by printing the synthesized ink composition for each color in a predetermined pattern. After applying an organic alignment film 8 to cover the color filter 7, a liquid crystal display panel is constructed in the same manner as in the first embodiment.

第３の実施例として以下に示すようなものがある。一対
のガラス基板の透明電極が形成されたそれぞれの面に、
ポリイミドおよびポリビニルアルコール等の樹脂を印刷
して樹脂膜を形成し、フォト技術により所定のパターン
に形成する。そして所定のパターンの樹脂膜を、色素を
溶解した溶剤の中に浸漬して色素を拡散させてカラーフ
ィルターを形成し、これを第１の実施例のようにカラー
フィルターと配向膜とを兼ねたカラー有機配向膜として
使用してもよく、また第′２の実施例のようにカシ−フ
ィルターの上に、さらに新しく有機配向膜を形成しても
よい。この時液晶表示パネルの構成は第１図および第２
図と同様になる。なお、本実施例は、フォト技術を使用
しているので、特に微細なカラーパターンを形成するの
に適している。A third embodiment is shown below. On each side of a pair of glass substrates on which transparent electrodes are formed,
A resin film is formed by printing a resin such as polyimide and polyvinyl alcohol, and is formed into a predetermined pattern using photo technology. Then, a resin film with a predetermined pattern was immersed in a solvent in which a dye was dissolved to diffuse the dye to form a color filter, which served as both a color filter and an alignment film as in the first embodiment. It may be used as a color organic alignment film, or a new organic alignment film may be formed on the Cassie filter as in the '2nd embodiment. At this time, the configuration of the liquid crystal display panel is shown in Figures 1 and 2.
It will be similar to the figure. Note that this embodiment uses photo technology and is therefore particularly suitable for forming fine color patterns.

まだ、上記第１、第２および第３の実施例は、いずれも
一対のガラス基板】の両方に着色膜を形成したが、いず
れか一方のガラス基板だけに着色膜を形成して液晶表示
パネルを構成してもよい。In the first, second, and third embodiments described above, colored films were formed on both of the pair of glass substrates, but a liquid crystal display panel was manufactured by forming a colored film on only one of the glass substrates. may be configured.

上記の本発明の第１、第２および第３の実施例を所定の
パターンが表示できる液晶表示パネルに使用する場合は
、第３図（α）および（／Ｉ）にそれぞれ示すように、
カラー表示したいパターン９および１０等のそれぞれの
パターンごとにカラーフィルターを形成し、液晶表示パ
ネル１１の後方に照明１２を設けて光を照射すれば、そ
れぞれのパターンごとに所定の色で表示を行なうことが
できる。When the first, second and third embodiments of the present invention described above are used in a liquid crystal display panel capable of displaying a predetermined pattern, as shown in FIG. 3 (α) and (/I), respectively,
If a color filter is formed for each pattern such as patterns 9 and 10 to be displayed in color, and a lighting 12 is provided behind the liquid crystal display panel 11 to irradiate light, each pattern can be displayed in a predetermined color. be able to.

１だ、マ）　ＩＪツノ２表示ができる液晶表示パネルに
使用する場合は、第４図（ロ）および（ｂ）にそゎぞれ
示すように、各マトリックス１３ごとにＲ（赤）、Ｇ（
緑）お上びＢ（青）が交互に配列するようにカラーフィ
ルターを形成し、液晶表示パネル１】の後方に照明１２
を設けて光を照射すれば、液晶表示パネル１１の前面か
ら一定距離以上離れた地点からは、Ｒ，ＧおよびＢが混
色して、多色カラー表示として確認することができる。1, M) When used in a liquid crystal display panel capable of IJ horn 2 display, R (red), G (
A color filter is formed so that B (green) and B (blue) are arranged alternately, and a lighting 12 is installed behind the liquid crystal display panel 1.
If a light is irradiated with the display panel 11, R, G, and B colors will be mixed and a multicolor display can be seen from a point a certain distance or more away from the front surface of the liquid crystal display panel 11.

なお、上記の液晶表示パネルは光シヤツターとしての動
作を果たせばよく、ツイスト・ネマティック透過型およ
びゲスト−ホストネガ型等を使用することができる。The above-mentioned liquid crystal display panel only needs to function as a light shutter, and a twisted nematic transmission type, a guest-host negative type, or the like can be used.

以上説明したように、本発明は、容易に液晶表示パネル
の内側にカラーフィルターを構成することができ、まだ
、カラーフィルターと配向膜とを兼ねることができるの
で、低コストで視差の少ない鮮明な画像が得られ、液晶
表示パネルの品質を向上させる等の効果を有するもので
おる。As explained above, according to the present invention, a color filter can be easily formed inside a liquid crystal display panel, and it can still serve as a color filter and an alignment film, so that a clear image with less parallax can be displayed at low cost. It has the effect of providing images and improving the quality of the liquid crystal display panel.

【図面の簡単な説明】[Brief explanation of drawings]

第１図は、本発明の第１の実施例の断面図、第２図は、
本発明の第２の実施例の断面図、第３図（ａ）および（
ｈ）は、本発明の第１、第２および第３の実施例を所定
のパターンが表示できる液晶表示パネルに使用した例の
それぞれ正面図および側面図、第４図（ａ）および（”
）は、本発明の第１、第２および第３の実施例をマトリ
クス表示できる液晶表示パネルに使用した例のそれぞれ
正面図および側面図である。 １　・・・・・・・ガラス基板、　２・・・・・・　透
明電極、３　・・・・・・・・カラー有機配向膜、　４
　山　液晶、５・・・・・・・・　ンール樹脂、　６・
・・・・　偏光板、７　・・・・・・　カラーフィルタ
ー、　８　団・・・・有機配向膜。 第１図 第２図 第３図 （０） （ｏｌFIG. 1 is a sectional view of the first embodiment of the present invention, and FIG. 2 is a sectional view of the first embodiment of the present invention.
Cross-sectional views of the second embodiment of the present invention, FIGS. 3(a) and (
h) is a front view and a side view of an example in which the first, second and third embodiments of the present invention are used in a liquid crystal display panel capable of displaying a predetermined pattern, and FIGS. 4(a) and ("
) are a front view and a side view, respectively, of an example in which the first, second and third embodiments of the present invention are used in a liquid crystal display panel capable of matrix display. 1...Glass substrate, 2...Transparent electrode, 3...Color organic alignment film, 4
Mountain LCD, 5...... Nur resin, 6.
... Polarizing plate, 7 ... Color filter, 8 Group ... Organic alignment film. Figure 1 Figure 2 Figure 3 (0) (ol

Claims (2)

【特許請求の範囲】[Claims] （１）　　互いに対向する面にそれぞれ電極が形成され
た一対の基板の間に液晶を充填してなる液晶表示パネル
において、前記基板の一方または両方の前記電極が形成
された面に、樹脂と色素と溶剤とが混合されてなるイン
ク組成物を、所定のパターンに印刷することを特徴とす
る液晶表示パネルのカラーフィルター製造方法。(1) In a liquid crystal display panel in which liquid crystal is filled between a pair of substrates each having electrodes formed on their opposing surfaces, a resin and a pigment are added to the surface of one or both of the substrates on which the electrodes are formed. 1. A method for manufacturing a color filter for a liquid crystal display panel, which comprises printing an ink composition formed by mixing a solvent and a solvent in a predetermined pattern. （２）　　互いに対向する面にそれぞれ電極が形成され
た一対の基板の間に液晶を充填してなる液晶表示パネル
において、前記基板の一方または両方の前記電極が形成
された面に、樹脂を印刷してなる樹脂膜をフォト技術を
使用して所定のパターンに形成し、これを色素を溶解し
た液剤中に浸漬し、色素を拡散さぜることを特徴とする
液晶表示パネルのカラーフィルター製造方法。(2) In a liquid crystal display panel formed by filling liquid crystal between a pair of substrates each having electrodes formed on their opposing surfaces, resin is printed on the surface of one or both of the substrates on which the electrodes are formed. A method for manufacturing a color filter for a liquid crystal display panel, which comprises forming a resin film into a predetermined pattern using photo technology, immersing the resin film in a liquid solution containing a dye, and diffusing the dye. .
JP57138450A 1982-08-11 1982-08-11 Production of color filter for liquid crystal display panel Pending JPS5929225A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57138450A JPS5929225A (en) 1982-08-11 1982-08-11 Production of color filter for liquid crystal display panel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57138450A JPS5929225A (en) 1982-08-11 1982-08-11 Production of color filter for liquid crystal display panel

Publications (1)

Publication Number Publication Date
JPS5929225A true JPS5929225A (en) 1984-02-16

Family

ID=15222287

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57138450A Pending JPS5929225A (en) 1982-08-11 1982-08-11 Production of color filter for liquid crystal display panel

Country Status (1)

Country Link
JP (1) JPS5929225A (en)

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60184202A (en) * 1984-03-02 1985-09-19 Toray Ind Inc Heat resistant coloring paste for color filter
JPS60184284A (en) * 1984-03-02 1985-09-19 三洋電機株式会社 Display unit
WO1986000424A1 (en) * 1984-06-18 1986-01-16 Nissha Printing Co., Ltd. Liquid-crystal multi-color display device
JPS61156027A (en) * 1984-12-27 1986-07-15 Nissha Printing Co Ltd Color liquid crystal display device
JPS61254905A (en) * 1985-05-08 1986-11-12 Toray Ind Inc Color filter
JPS62234104A (en) * 1986-04-04 1987-10-14 Kyodo Printing Co Ltd Production of color filter
JPS62242918A (en) * 1986-04-15 1987-10-23 Kyodo Printing Co Ltd Color filter
JPS62254103A (en) * 1986-04-26 1987-11-05 Kyodo Printing Co Ltd Color filter
AU575243B2 (en) * 1985-02-05 1988-07-21 Kyodo Printing Co., Ltd. Color filter for tv
EP0288304A2 (en) * 1987-04-22 1988-10-26 Sharp Kabushiki Kaisha Liquid crystal display device
JPH02277025A (en) * 1989-03-08 1990-11-13 Hercules Inc Method of molecular alignment in liquid crystal cell
US5078475A (en) * 1985-12-18 1992-01-07 Canon Kabushiki Kaisha Flc device with color filter and insulating protection layer with pencil hardness of at least hb
US5229039A (en) * 1988-11-11 1993-07-20 International Business Machines Corporation Color liquid crystal display and method of manufacture
JPH06201911A (en) * 1984-05-24 1994-07-22 Toppan Printing Co Ltd Color liquid crystal display device
JPH0711132A (en) * 1993-07-16 1995-01-13 Toray Ind Inc Heat-resistant color paste for color filter
JPH0713012A (en) * 1993-08-11 1995-01-17 Toray Ind Inc Heat-resistant colored paste for color filter
EP0695955A3 (en) * 1994-08-02 1997-01-22 Mitsui Toatsu Chemicals Polyimide resin compositions for optical filters

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60184284A (en) * 1984-03-02 1985-09-19 三洋電機株式会社 Display unit
JPS60184202A (en) * 1984-03-02 1985-09-19 Toray Ind Inc Heat resistant coloring paste for color filter
JPH06201911A (en) * 1984-05-24 1994-07-22 Toppan Printing Co Ltd Color liquid crystal display device
WO1986000424A1 (en) * 1984-06-18 1986-01-16 Nissha Printing Co., Ltd. Liquid-crystal multi-color display device
JPS61156027A (en) * 1984-12-27 1986-07-15 Nissha Printing Co Ltd Color liquid crystal display device
WO1986004157A1 (en) * 1984-12-27 1986-07-17 Nissha Printing Co., Ltd. Color liquid crystal display device
AU575243B2 (en) * 1985-02-05 1988-07-21 Kyodo Printing Co., Ltd. Color filter for tv
JPS61254905A (en) * 1985-05-08 1986-11-12 Toray Ind Inc Color filter
US5078475A (en) * 1985-12-18 1992-01-07 Canon Kabushiki Kaisha Flc device with color filter and insulating protection layer with pencil hardness of at least hb
JPS62234104A (en) * 1986-04-04 1987-10-14 Kyodo Printing Co Ltd Production of color filter
JPS62242918A (en) * 1986-04-15 1987-10-23 Kyodo Printing Co Ltd Color filter
JPS62254103A (en) * 1986-04-26 1987-11-05 Kyodo Printing Co Ltd Color filter
EP0288304A2 (en) * 1987-04-22 1988-10-26 Sharp Kabushiki Kaisha Liquid crystal display device
US5229039A (en) * 1988-11-11 1993-07-20 International Business Machines Corporation Color liquid crystal display and method of manufacture
JPH02277025A (en) * 1989-03-08 1990-11-13 Hercules Inc Method of molecular alignment in liquid crystal cell
JPH0711132A (en) * 1993-07-16 1995-01-13 Toray Ind Inc Heat-resistant color paste for color filter
JPH0713012A (en) * 1993-08-11 1995-01-17 Toray Ind Inc Heat-resistant colored paste for color filter
EP0695955A3 (en) * 1994-08-02 1997-01-22 Mitsui Toatsu Chemicals Polyimide resin compositions for optical filters
US5868968A (en) * 1994-08-02 1999-02-09 Mitsui Chemicals, Inc. Polyimide resin compositions for optical filters
US5916488A (en) * 1994-08-02 1999-06-29 Mitsui Chemicals, Inc. Polyimide resin compositions for optical filters

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