JPS5827126A - Production of liquid crystal display panel - Google Patents
Production of liquid crystal display panelInfo
- Publication number
- JPS5827126A JPS5827126A JP12554981A JP12554981A JPS5827126A JP S5827126 A JPS5827126 A JP S5827126A JP 12554981 A JP12554981 A JP 12554981A JP 12554981 A JP12554981 A JP 12554981A JP S5827126 A JPS5827126 A JP S5827126A
- Authority
- JP
- Japan
- Prior art keywords
- spacer
- liquid crystal
- display panel
- crystal display
- resin compsn
- 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
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
- G02F1/1339—Gaskets; Spacers; Sealing of cells
Abstract
PURPOSE:To obtain a liquid crystal display panel with good productivity by packing a liquid crystal material in the enclosure of a spacer provided on one substrate, superposing the other substrate coated with a resin compsn. curable by UV rays like a spacer of the shape enclosing said spacer thereon and curing the resin. CONSTITUTION:A resin compsn. (a material for forming a spacer) curable by UV rays contg. a gap material (e.g. alumina powder of a prescribed grain size) is used. More specifically, the above-mentioned resin compsn. is coated on the peripheral part of an electrode substrate 1 and is cured to form a preliminary spacer 5 having an opening part 7; thereafter a required amt. of liquid crystals is dropped and packed in the spacer 5. An electrode substrate 2 coated with the above-mentioned resin compsn. in the shape of a spacer 6 in the peripheral part is superposed thereon. After the excess liquid crystals are extruded through the part 7 of the spacer 5, UV rays are irradiated to cure the resin compsn., whereby the liquid crystal display panel sealed with the spacer 6 is formed.
Description
【発明の詳細な説明】
本発明は、液晶表示パネルの製造方法、特に液晶の注入
口とこれを封止する構造のない液晶表示パネルの製造方
法に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a method of manufacturing a liquid crystal display panel, and more particularly to a method of manufacturing a liquid crystal display panel without a liquid crystal injection port and a structure for sealing the same.
従来、液晶表示パネルの製造方法は、液晶を注入する孔
を有するセル内を真空にし、液晶を注入口に満たして、
外圧をかけ、圧力差でセル内に液晶を交換し、しかる後
、この注入口をエポキシ系樹脂で封止する方法がよく知
られている。Conventionally, the manufacturing method for liquid crystal display panels involves creating a vacuum in a cell that has a hole for injecting liquid crystal, filling the injection port with liquid crystal, and then
A well-known method is to apply external pressure, replace the liquid crystal inside the cell with a pressure difference, and then seal the injection port with an epoxy resin.
しかるにこの方法によるときは真空装置ｔケ要し、かつ
刺止の為の工数を必要とするなどコストの面で大いなる
欠点を有していた。However, this method has major drawbacks in terms of cost, such as requiring a vacuum device and the number of man-hours required for pinning.
本発明は、この欠点をなくシ、安価な液晶表示パネルを
提供する事を目的とする。The present invention aims to eliminate this drawback and provide an inexpensive liquid crystal display panel.
本発明によれば少くとも１枚が透明である電極基板間に
電気光学効果を呈する液晶層を廟する液晶表示パネルに
おいて、２枚の電極基板の一方にシール部としてスペー
サ材を混入した光硬化性樹脂を一部開孔された状態にプ
リントして紫外線により硬化させ、このシール部内に液
晶を適下したのち他方の１ｍ基板に、スペーサ材を混入
した光硬化性樹脂を上記硬化された一部開孔を持つシー
ル部を包むパターンにプリントしたものｔｉｌｔね合せ
て硬化した事を特徴とする液晶表示パネルの製造方法が
得られる。According to the present invention, in a liquid crystal display panel having a liquid crystal layer exhibiting an electro-optic effect between electrode substrates, at least one of which is transparent, a photocurable liquid crystal display panel in which a spacer material is mixed as a sealing portion in one of the two electrode substrates is provided. After printing a photocurable resin with some holes open and curing it with ultraviolet rays, dropping liquid crystal into the sealed area, apply a photocurable resin mixed with a spacer material to the other 1m board. A method for manufacturing a liquid crystal display panel is obtained, which is characterized in that a pattern is printed in a pattern that wraps around a seal portion having a hole, and the pattern is tilted and cured.
以下本発明を図を参照し乍ら説明する。The present invention will be explained below with reference to the drawings.
第１図に示すように一方の電極基板１に光硬化性樹脂と
スペーサ材を混合したものをスペーサ５に示す形状に印
刷する。この時、スペーサ５は１部に開孔をもつ形状と
する。スペーサ材は所要のギヤ、ブに応じ例えばアルミ
ナ粉末又は、ミクロバール（種水ファインケミカル製）
などを用いて目的ケ達成出来る。このスペーサ状に印刷
されたギヤ、プ材を含む熱硬化性樹脂を紫外線で硬化さ
せる。他方の電極基板には、上記ギャップ材を含む熱硬
化性樹脂を上記スペーサ５′ｆ、包み込む様な形状のス
ペーサ６としてプリントする。このスペーサ６には開孔
部を有しない゛。次に光硬化させた電極基板１のスペー
サ５の内部に所要量の液晶を定量吐出装置によ＃）精密
に適下した後、上記スペーサ６を有する電極基板２′ｆ
：第２図に示す様にスペーサ６がスペーサ５を包み込む
ように重ね合せて圧力を加え、余分な液晶がスペーサ５
の開孔部７に充填された所で、紫外線を照射してスペー
サ６を硬化させてセルが完成する。この方法によれば、
従来の構造で封止して用いられたエポキシ系樹脂が、硬
化する迄に液晶材と接触して液晶中に拡散し液晶の配向
を乱し、又は電気的特性に影響を与える事がない。さら
にスペーサ５の開孔部７によって、定量吐出装置で制御
出来ない余分の液晶を７に溜める事が出来、セル内に空
気泡等の残るのを防ぐ事が出来る。さらに紫外線によっ
て硬化させる時間は数秒で完了するので、前記した液晶
材との接触時間が少く液晶の配向を乱したシミ気的特性
に影響を与えたしする事が少い。さらに液晶は一般に紫
外線に弱いものであるが、前記の様な数秒間の紫外線熱
射では劣化が起らない事も本発明の利点である。As shown in FIG. 1, a mixture of a photocurable resin and a spacer material is printed on one electrode substrate 1 in the shape shown by the spacer 5. As shown in FIG. At this time, the spacer 5 is shaped to have an opening in one part. The spacer material may be alumina powder or Microvar (manufactured by Tanezu Fine Chemicals) depending on the required gear and spacer.
You can achieve your goal by using etc. The thermosetting resin containing the gear and plastic material printed in the spacer shape is cured with ultraviolet rays. On the other electrode substrate, a thermosetting resin containing the gap material is printed as the spacer 5'f and a spacer 6 having a shape that wraps around the spacer 5'f. This spacer 6 does not have an opening. Next, after precisely dropping the required amount of liquid crystal into the photo-cured spacers 5 of the electrode substrate 1 using a dispensing device, the electrode substrate 2'f having the spacers 6 is
:As shown in Figure 2, overlap the spacer 6 so that it wraps around the spacer 5, apply pressure, and remove the excess liquid crystal from the spacer 5.
Once the openings 7 are filled, the spacers 6 are cured by irradiation with ultraviolet rays to complete the cell. According to this method,
The epoxy resin used for sealing in the conventional structure does not come into contact with the liquid crystal material and diffuse into the liquid crystal until it hardens, disturbing the alignment of the liquid crystal or affecting the electrical characteristics. Furthermore, the aperture 7 of the spacer 5 allows excess liquid crystal that cannot be controlled by the metered dispensing device to be stored in the aperture 7, thereby preventing air bubbles from remaining in the cell. Furthermore, since the curing time with ultraviolet rays is completed in a few seconds, the contact time with the liquid crystal material described above is short, and stains that disturb the alignment of the liquid crystal are less likely to affect the vapor characteristics. Further, although liquid crystals are generally sensitive to ultraviolet rays, another advantage of the present invention is that no deterioration occurs even after a few seconds of ultraviolet heat irradiation as described above.
以上のべたように本発明によれば、封止の為の工数を省
略でき、さらに大がかりな真空装＃を必要としないなど
安価な液晶表示パネルを提供できるものである。As described above, according to the present invention, it is possible to provide an inexpensive liquid crystal display panel that can omit the number of steps for sealing and does not require a large-scale vacuum enclosure.
第１図は本発明による液晶表示パネルの製造途中におけ
る斜視図。
第２図は、スペーサ５とスペーサ６の位置関係を示す平
面図。
１・・・電極基板、２・・・電極基板、５・・・開孔部
を有スルスベ−ｔ、６・・・スペーサ。
５−
第 ｌ 図FIG. 1 is a perspective view of a liquid crystal display panel in the middle of manufacturing according to the present invention. FIG. 2 is a plan view showing the positional relationship between spacer 5 and spacer 6. DESCRIPTION OF SYMBOLS 1... Electrode substrate, 2... Electrode substrate, 5... Thrust base with an opening, 6... Spacer. 5- Figure l
Claims (1)
呈する液晶層を有する液晶表示パネルにおいて、前記２
枚の電極基板の一方にシール部としてスペーサ材を混入
した光硬化性樹脂を一部開孔された状態にプリントして
紫外線によシ硬化させ、このシール部内に液晶を適下し
たのち他方の電極基板に、スペーサ材を混入した光硬化
性樹脂を上記硬化された一部開孔を持つシール部を包む
パターンにプリントしたものを重ね合せて硬化した事を
特徴とする液晶表示パネルの製造方法。In a liquid crystal display panel having a liquid crystal layer exhibiting an electro-optic effect between electrode substrates, at least one of which is transparent, the above two
A photocurable resin mixed with a spacer material is printed on one side of the electrode substrate as a sealing part with some holes opened and cured by ultraviolet rays. After dropping the liquid crystal into this sealing part, the other side is printed. A method for manufacturing a liquid crystal display panel, characterized in that a photo-curable resin mixed with a spacer material is printed in a pattern that covers the cured seal portion having a partially opened hole, and the resultant is superimposed on an electrode substrate and then cured. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12554981A JPS5827126A (en) | 1981-08-11 | 1981-08-11 | Production of liquid crystal display panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12554981A JPS5827126A (en) | 1981-08-11 | 1981-08-11 | Production of liquid crystal display panel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5827126A true JPS5827126A (en) | 1983-02-17 |
Family
ID=14912947
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12554981A Pending JPS5827126A (en) | 1981-08-11 | 1981-08-11 | Production of liquid crystal display panel |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5827126A (en) |
Cited By (136)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6289025A (en) * | 1985-10-15 | 1987-04-23 | Matsushita Electric Ind Co Ltd | Liquid crystal display panel and its production |
| EP0417573A2 (en) * | 1989-09-11 | 1991-03-20 | Hughes Aircraft Company | Spacing and sealing arrangement for liquid crystal light valve |
| US6049370A (en) * | 1993-01-26 | 2000-04-11 | Hughes Aircraft Company | Liquid crystal light valves using internal, fixed spacers and method of incorporating same |
| JP2002302117A (en) * | 2001-04-06 | 2002-10-15 | Harman Kikaku:Kk | Packaging container |
| US6610364B1 (en) | 2002-02-27 | 2003-08-26 | Lg. Philips Lcd Co., Ltd. | Apparatus for dispensing liquid crystal and method for controlling liquid crystal dropping amount |
| US6628365B1 (en) | 2002-03-23 | 2003-09-30 | Lg.Philips Lcd Co., Ltd. | LCD with UV shielding part at dummy sealant region |
| US6724458B2 (en) | 2001-12-22 | 2004-04-20 | Lg.Philips Lcd Co., Ltd. | Liquid crystal display device and method of fabricating the same |
| US6738124B2 (en) | 2002-03-07 | 2004-05-18 | Lg. Philips Lcd Co., Ltd. | Method for fabricating liquid crystal display panel |
| US6741316B2 (en) | 2002-03-06 | 2004-05-25 | Lg.Philips Lcd Co., Ltd. | Liquid crystal display device and fabricating method thereof |
| US6741320B2 (en) | 2002-02-20 | 2004-05-25 | L.G.Philips Lcd Co., Ltd. | Method for cutting liquid crystal display panel |
| US6741322B2 (en) | 2002-03-06 | 2004-05-25 | Lg. Philips Lcd Co., Ltd. | Production line of liquid crystal display device having shield of UV blocking material |
| US6747725B2 (en) | 2002-02-07 | 2004-06-08 | Lg. Philips Lcd Co., Ltd. | Device for cutting liquid crystal display panel and method for cutting using the same |
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