JPS6012528A - Liquid crystal display element - Google Patents
Liquid crystal display elementInfo
- Publication number
- JPS6012528A JPS6012528A JP11828083A JP11828083A JPS6012528A JP S6012528 A JPS6012528 A JP S6012528A JP 11828083 A JP11828083 A JP 11828083A JP 11828083 A JP11828083 A JP 11828083A JP S6012528 A JPS6012528 A JP S6012528A
- Authority
- JP
- Japan
- Prior art keywords
- liquid crystal
- crystal display
- display element
- substrates
- plastic 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
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
- G02F1/1345—Conductors connecting electrodes to cell terminals
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Liquid Crystal (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)
Abstract
Description
【発明の詳細な説明】
〔発明の利用分野〕
本発明は液晶表示素子に係シ、特にプラスチック基板を
用いた液晶表示素子に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Application of the Invention] The present invention relates to a liquid crystal display element, and particularly to a liquid crystal display element using a plastic substrate.
従来の液晶表示素子は、第１図に示すように、電極が形
成された２枚のガラス基板１．２の周囲をシール材３で
シールし、内部に液晶４を封入してなる。そして、特に
ツィステッドネマチック型の液晶表示素子では、前記ガ
ラス基板１．２の外側にそれぞれ偏光板５．６を貼り合
せて走過型を形成し、また偏光板６の外側に反射板７を
貼り合せて反射型を形成している。As shown in FIG. 1, a conventional liquid crystal display element is constructed by sealing the periphery of two glass substrates 1.2 on which electrodes are formed with a sealing material 3, and sealing a liquid crystal 4 inside. In particular, in a twisted nematic type liquid crystal display element, a polarizing plate 5.6 is bonded to the outside of the glass substrate 1.2 to form a scanning type, and a reflecting plate 7 is attached to the outside of the polarizing plate 6. They are pasted together to form a reflective type.
また第２図に示すように、第１図に示すガラス基板１．
２に代えて２軸延伸のポリエチレンテレフタレートフィ
ルム（以下Ｐ Ｅ Ｔフィルムという）よりなるプラス
チック糸板８．９を用いた液晶表示素子が知られている
。Further, as shown in FIG. 2, the glass substrate 1 shown in FIG.
A liquid crystal display element is known in which a plastic thread plate 8.9 made of a biaxially stretched polyethylene terephthalate film (hereinafter referred to as PET film) is used in place of PET film.
この外、第３図に示すように偏光板に電極基板機能をも
たせたプラスチック基板１０．ＩＩからなる液晶表示素
子が知られている。この液晶表示素子のプラスチック基
板１０．ＩＩは、第４図に示すように偏光子１２を２枚
の一軸延伸Ｐ Ｅ ’ｌ’フィルムの支持体１３．１３
でヤンドイッチにした偏光８Ｉ＃造よシなる。このよう
なプラスチック基板１０．１１の貴簡にそれぞれ透明導
電膜（ＩＴＯ篭極）を形成し、エツチングを行なうこと
により心像なＮ、極パターン１４．１５を形成する。そ
して、第１図の液晶表示素子と同様の液晶分子の配向処
理（例えばラビングによる）を行なう。次にシール材３
によりプラスチック基板１０．１１を貼り合せた後、図
示しない封入口より液晶４を封入する。次に反射板７を
グラスチック基板１１に貼り合せて反射型の液晶表示素
子を構成する。In addition, as shown in FIG. 3, a plastic substrate 10 in which a polarizing plate has an electrode substrate function. A liquid crystal display element made of II is known. Plastic substrate 10 of this liquid crystal display element. II, as shown in FIG. 4, the polarizer 12 is attached to the support 13.
I made polarized light 8I# with a switch. A transparent conductive film (ITO cage) is formed on each of the plastic substrates 10 and 11, and etched to form an image of N and pole patterns 14 and 15. Then, the liquid crystal molecule alignment treatment (for example, by rubbing) similar to that of the liquid crystal display element shown in FIG. 1 is performed. Next, seal material 3
After bonding the plastic substrates 10 and 11 together, the liquid crystal 4 is sealed through a filling opening (not shown). Next, the reflective plate 7 is bonded to the glass substrate 11 to form a reflective liquid crystal display element.
以下、プラスチック基板を用いた液晶表示素子は第３図
のものについて説明する。Hereinafter, a liquid crystal display element using a plastic substrate will be explained using the one shown in FIG.
ところで、かかる液晶表示素子を組立るためには、第５
図に示すようにシール材３の硬化時に上下基板１．２ま
たは１０．１１の外側にあて板１６．１７を配設し、加
圧および加熱して上下基板１．２または１０．１１間の
ギャップ（約ｔ。By the way, in order to assemble such a liquid crystal display element, the fifth
As shown in the figure, when the sealing material 3 is hardened, a cover plate 16.17 is placed on the outside of the upper and lower substrates 1.2 or 10.11, and pressure and heat are applied to seal the gap between the upper and lower substrates 1.2 or 10.11. Gap (about t.
〜２０μｍ ）を制御する。~20 μm).
この時、ガラス基板とする素子では、錆５図（ａ）に示
すように基板１．２は材質の剛性からたわむことなく加
圧加熱して素子を形成することができる。しかしながら
、プラスチックを基板とする素子では、第５図（ｂ）に
示すように基板１０．１１のシール材３の外側の部分が
材質の桑さからたわみ、上下プラスチック基板１０．１
１が接触する。At this time, in the case of an element using a glass substrate, the element can be formed by pressurizing and heating the substrate 1.2 without bending due to the rigidity of the material, as shown in FIG. 5(a). However, in an element using plastic as a substrate, as shown in FIG.
1 makes contact.
ところで、第６図に拡大図で示すように、プラスチック
基板１０には電極パターン！４の［極端子がシール材３
の外側に形成されているので、柁５図（ｂ）に示すよう
にプラスチック基板１０．ＩＩが接触すると、電極パタ
ーン１４の電極端子と対向す◇プラスチック基板１１の
端面により電極端子が切断するという欠点があった。By the way, as shown in the enlarged view in FIG. 6, the plastic substrate 10 has an electrode pattern! 4 [Pole terminal is seal material 3]
Since it is formed on the outside of the plastic substrate 10, as shown in Figure 5(b). There was a drawback that when II came into contact with the electrode terminal, the electrode terminal was cut by the end face of the ◇ plastic substrate 11 facing the electrode terminal of the electrode pattern 14.
本発明の目的は、プラスチック基板を用いた液晶表示素
子において、プラスチック基板のたわみによる電極端子
の断線を防ぐことができる液晶表示素子を提供すること
にある。An object of the present invention is to provide a liquid crystal display element using a plastic substrate that can prevent disconnection of electrode terminals due to bending of the plastic substrate.
本発明は、電極端子を設けた一方のプラスチック基板と
対向する他方のプラスチック基板の端面を曲面状または
斜面状に形成したことを特徴とする。The present invention is characterized in that the end surfaces of one plastic substrate on which electrode terminals are provided and the other plastic substrate facing each other are formed into a curved or sloped shape.
以下、本発明の一実施例を第７図により説明する。なお
、前記各図と同じまたは相当部材には同一符号を付して
説明する。１ず第３図に示すプラ。An embodiment of the present invention will be described below with reference to FIG. It should be noted that the same or equivalent members as in each of the above figures will be described with the same reference numerals. 1. Plastic shown in Figure 3.
スチツク基板１０，１１を製作する。プラスチン ３−
り基板１０．１１は第４図に示すように偏光子１２を厚
さ１００μｍの一軸延伸ＰＥＴフィルムの支持体１３で
サンドイッチにして構成し、表面に透明導電膜をスパッ
タ蒸着して電極パターン１４゜１５を形成し、更に電極
パターン１４．１５上にポリエーテル系アミド樹脂を配
向膜として施してなる。Stick substrates 10 and 11 are manufactured. As shown in FIG. 4, the plastin substrate 10.11 is constructed by sandwiching a polarizer 12 with a support 13 of uniaxially stretched PET film having a thickness of 100 μm, and a transparent conductive film is sputter-deposited on the surface to form electrodes. Patterns 14 and 15 are formed, and polyether-based amide resin is applied as an alignment film on the electrode patterns 14 and 15.
次に電極端子を設けた一方のプラスチック基板１０と対
向する他方のプラスチック基板１１の端面を第７図に示
すように曲面状１１ａに形成する。Next, the end surfaces of the other plastic substrate 11 facing the one plastic substrate 10 provided with the electrode terminals are formed into a curved surface 11a as shown in FIG.
そして、プラスチック基板ｔｏ、ｉｔにエポキシ系シー
ル材３を塗布してプラスチック基板ＩＯ９■１をシール
材３を介して重ね合せ、第５図（ｂ）に示すようにプラ
スチック基板１０．１１の外側に５ｍ厚のステンレス板
よシなるあて板１６．１７を配設して０．５〜ｌ ｋｌ
／ｃｒｌの圧力で加圧し、１００〜１２０°Ｃで２〜３
時間加熱する。その後第３図に示すように液晶４を封入
、封止して液晶表示素子を得る。Then, an epoxy sealing material 3 is applied to the plastic substrates to and it, and the plastic substrate IO9 and 1 are superimposed on each other with the sealing material 3 interposed therebetween, and as shown in FIG. A backing plate 16.17 such as a 5m thick stainless steel plate is installed and the thickness is 0.5~l kl.
/crl pressure, 2-3 at 100-120°C
Heat for an hour. Thereafter, as shown in FIG. 3, liquid crystal 4 is filled and sealed to obtain a liquid crystal display element.
このように、電極端子を設けた一方のプラスチ ４−
ツク基板１０と対向する他方のプラスチック基板１１の
端面を曲面状１１ａに形成してなるので、前記のように
加圧および加熱時に上下プラスチック基板１０．１１が
接触しても電極パターン１４の電極端子の受ける局部的
なひずみが緩和され、電極端子の切断は防止される。In this way, the end surfaces of one plastic substrate 10 on which electrode terminals are provided and the other plastic substrate 11 facing each other are formed into a curved surface 11a, so that the upper and lower plastic substrates are easily separated during pressurization and heating as described above. Even if 10 and 11 come into contact, the local strain applied to the electrode terminals of the electrode pattern 14 is alleviated, and the electrode terminals are prevented from being cut.
実験の結果、第６図に示すようにプラスチック基板１１
が通常のブレード刃による切断面の状態のままのものは
、断線率が約１０チであった。これに対し、第７図に示
すようにプラスチック基板１１の端面を曲面状１１ａに
形成したものは、断線率は１嗟未満となり、大幅に減少
した。As a result of the experiment, as shown in FIG.
However, when the cut surface was still cut by a normal blade, the wire breakage rate was about 10 inches. On the other hand, when the end surface of the plastic substrate 11 was formed into a curved surface 11a as shown in FIG. 7, the disconnection rate was less than 1 moment, which was significantly reduced.
第８図は本発明の他の夾施Ｈを示す。本実施例はプラス
チック基板Ｉｔの端面をゆるやかな斜面状１１ｂＫ形成
してなる。このように形成しても前記実施例と声１等の
効果か得られる。FIG. 8 shows another application H of the present invention. In this embodiment, the end face of the plastic substrate It is formed into a gentle slope 11bK. Even if formed in this way, the effects of the above embodiment and voice 1 etc. can be obtained.
なお、上記実施例は第３図に示す液晶表示素子に適用し
た場合について説明したが、第２図に示す液晶表示素子
にも同様に適用することができる。Although the above embodiment has been described with reference to the case where it is applied to the liquid crystal display element shown in FIG. 3, it can be similarly applied to the liquid crystal display element shown in FIG. 2.
本発明によれば、電極端子を設けた一方のプラスチック
基板と対向する他方のプラスチック基板の端面を曲面状
または斜面状に形成してなるので、加圧および加熱時に
上下プラスチック基板が接触しても電極端子の受けん局
部的なひずみが緩和され、電極端子の切断は防止される
。According to the present invention, the end surfaces of one plastic substrate provided with electrode terminals and the other plastic substrate facing each other are formed into a curved or sloped shape, so that even if the upper and lower plastic substrates come into contact during pressurization and heating, Local strain on the electrode terminal is alleviated, and breakage of the electrode terminal is prevented.
第１図は従来のガラス基板を用いた液晶表示素子を示し
、（ａ）は外観斜視図、（ｂ）は断面図、第２図は従来
のプラスチック基板を用いた液晶表示素子の断面図、第
３図は従来の他のプラスチック基板を用いた液晶表示素
子の断面図、第４図は第３図のプラスチック基板の構成
を示す説明図、第５図はシール材硬化時におけ心肺圧お
よび加熱状態を示し、（ａ）はガラス基板の場合の説明
図、（ｂ）はプラスチック基板の場合の説明図、第６図
は第３図の要部拡大図、第７図は本発明の一実施例を示
す要部拡大図、第８図は本発明の他の笑施例を示す要部
拡大図である。
３・・・・シール材、４・・・・液晶、１０．１１・・
・、プラスチック基板、１１ ａ −曲ｍ状、ｌ ｌｂ
−、、、、％ 面状、１４．１５・・・・電極パター
ン。
代理人 弁理士 高 橋 明 夫
第１図
（ｃＬ） （ｂ）
第２図
弔、３図
第４図
第乙図Fig. 1 shows a liquid crystal display element using a conventional glass substrate, (a) is an external perspective view, (b) is a sectional view, and Fig. 2 is a sectional view of a liquid crystal display element using a conventional plastic substrate. Fig. 3 is a cross-sectional view of a liquid crystal display element using another conventional plastic substrate, Fig. 4 is an explanatory diagram showing the structure of the plastic substrate of Fig. 3, and Fig. 5 is a diagram showing cardiopulmonary pressure and heating during curing of the sealing material. (a) is an explanatory diagram for the case of a glass substrate, (b) is an explanatory diagram for the case of a plastic substrate, FIG. 6 is an enlarged view of the main part of FIG. 3, and FIG. 7 is an example of an implementation of the present invention. FIG. 8 is an enlarged view of the main part showing another embodiment of the present invention. 3... Seal material, 4... Liquid crystal, 10.11...
・Plastic substrate, 11a-curved m shape, l lb
-,,,,% Surface condition, 14.15...electrode pattern. Agent Patent Attorney Akio Takahashi Figure 1 (cL) (b) Figure 2 Condolences, Figure 3 Figure 4 Figure O
Claims (1)
基板をシール材でシールし、内部に液晶を封入してなる
液晶表示素子において、電極端子を設けた一方のプラス
チック基板と対向する他方のプラスチック基板の端面を
曲面状または斜面状に形成したことを％徴とする液晶表
示素子。In a liquid crystal display element in which two plastic substrates with electrode patterns formed on opposing surfaces are sealed with a sealing material and a liquid crystal is sealed inside, one plastic substrate is provided with electrode terminals and the other plastic substrate faces the other. A liquid crystal display element characterized by having a curved or sloped end face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11828083A JPS6012528A (en) | 1983-07-01 | 1983-07-01 | Liquid crystal display element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11828083A JPS6012528A (en) | 1983-07-01 | 1983-07-01 | Liquid crystal display element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6012528A true JPS6012528A (en) | 1985-01-22 |
Family
ID=14732749
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11828083A Pending JPS6012528A (en) | 1983-07-01 | 1983-07-01 | Liquid crystal display element |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6012528A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08146440A (en) * | 1994-11-24 | 1996-06-07 | Rohm Co Ltd | Liquid crystal display device and its prediction |
| JP2011048012A (en) * | 2009-08-25 | 2011-03-10 | Citizen Finetech Miyota Co Ltd | Liquid crystal display device |
| WO2019130461A1 (en) * | 2017-12-27 | 2019-07-04 | 堺ディスプレイプロダクト株式会社 | Liquid crystal panel |
-
1983
- 1983-07-01 JP JP11828083A patent/JPS6012528A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08146440A (en) * | 1994-11-24 | 1996-06-07 | Rohm Co Ltd | Liquid crystal display device and its prediction |
| JP2011048012A (en) * | 2009-08-25 | 2011-03-10 | Citizen Finetech Miyota Co Ltd | Liquid crystal display device |
| WO2019130461A1 (en) * | 2017-12-27 | 2019-07-04 | 堺ディスプレイプロダクト株式会社 | Liquid crystal panel |
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