JPS61282915A - Display and input device - Google Patents
Display and input deviceInfo
- Publication number
- JPS61282915A JPS61282915A JP60123606A JP12360685A JPS61282915A JP S61282915 A JPS61282915 A JP S61282915A JP 60123606 A JP60123606 A JP 60123606A JP 12360685 A JP12360685 A JP 12360685A JP S61282915 A JPS61282915 A JP S61282915A
- Authority
- JP
- Japan
- Prior art keywords
- input device
- display element
- refractive index
- materials
- display
- 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
Landscapes
- Position Input By Displaying (AREA)
Abstract
Description
【発明の詳細な説明】
〈産業上の利用分野〉
本発明は、視認性を高めた表示兼入力装置に関するもの
である。DETAILED DESCRIPTION OF THE INVENTION <Industrial Application Field> The present invention relates to a display/input device with improved visibility.
〈従来技術〉
近年、液晶表示装置、ＥＣＤ、ＰＬ＋ＺＴ等の受光型表
示装置と、はぼ透明な入力装置を組み合わせた表示兼人
力ｆｅ置が数多く発表されている。しかし、従来この種
装置は、受光型表示素子上に入力装置を雨間テープ又は
装置全体を覆う外わく等で固定してｉるため、入力装置
裏面の反射光と受光型表示素子表面の反射光が、表示性
能をかなり悪くしてｉる。<Prior Art> In recent years, a large number of display and manual input devices have been announced that combine a light-receiving type display device such as a liquid crystal display device, ECD, PL+ZT, etc. with a transparent input device. However, in conventional devices of this kind, the input device is fixed on the light-receiving display element with rain tape or an outer frame that covers the entire device, so the reflected light from the back of the input device and the reflection from the surface of the light-receiving display element Light can seriously degrade display performance.
〈発明が解決しようとする問題点〉
本発明は入力装置裏面の反射光と表示素子表面の反射光
によるコントラスト低下を防ぐことにより視認性の優れ
た表示兼入力装置を提供することを目的としてｉる。<Problems to be Solved by the Invention> The present invention aims to provide a display/input device with excellent visibility by preventing a decrease in contrast due to light reflected from the back surface of the input device and light reflected from the surface of the display element. Ru.
く問題点を解決するための手段〉
本発明は、受光型表示素子の前面に、はぼ透明な入力装
置を、入力装置の受光型表示素子との接合面の材料と＃
１は屈折率の等しい材料、又は受光型表示素子の入力装
置との接合面の材料とほぼ屈折率の等しい材料、又は入
力装置の受光製表示素子との接合面の材料の屈折率と、
受光型表示素子の入力装置との接合面の材料の屈折率の
ほぼ中間の屈折率を有する材料で、受光型表示素子に貼
り合わせることによって、入力装置裏面の反射光と受光
製表示素子表面の反射光を減じたことを特徴にしている
。以下に！ｉ！！施例を用ｉて内容の詳細を説明する。Means for Solving Problems〉 The present invention provides a transparent input device on the front surface of a light-receiving display element, and a material of the joint surface of the input device with the light-receiving display element.
1 is a material with the same refractive index, or a material with a refractive index almost equal to the material of the joint surface of the light-receiving display element with the input device, or a refractive index of the material of the joint surface of the input device with the light-receiving display element;
A material that has a refractive index that is approximately midway between the refractive index of the material of the joint surface of the light-receiving display element with the input device, and by bonding it to the light-receiving display element, the light reflected from the back surface of the input device and the surface of the light-receiving display element are separated. It is characterized by reduced reflected light. less than! i! ! The details of the content will be explained using examples.
一実施Ｎｌ−
人力装置として第１図に示すようにソーダ・ライムガラ
ス基板５（屈折率約１．５２）上に透明！Ｅ極２をスト
ライプ状に形成した下基板と、ポリエチレンテレフタレ
ートｌ上に透明［甑２をストライプ状に形成した下基板
をスペーサー３と、複数の凸状スペーサー４を介して透
明電極が対向し直交する様に貼り会わせたＸ−Ｙマトリ
クス方式タッチキーを用ｉた。受光製表示素子は、ソー
ダライムのガラス基板１０の内面に工ＴＯの透明電極１
１を有し、液晶層１２を介して対向したものを、ヨウ素
化膜を酢酸セルロースフィルムで支持した２枚の偏光板
９（屈折率１．５）と１２を接着剤、粘接着剤等で貼り
つけ、更に反射板１３を同様に貼り付けたものを用いた
。接着層６として、紫外線硬化型のアクリル系接着剤（
硬化後の屈折率約１．４８）を用ｉて真空中の圧着によ
り入力１ｆ−ｆｔ７と液晶表示素子１４ｔ−貼り合わせ
た。入力ｉ［ｔ７と液晶表示素子１４の間に接着Ｉｆｌ
ｔ−設けず、第２図に示すように両面テープ８で接合し
た時の入力装置裏面の反射率と液晶表示素子面の反射率
の会計が、約７チであったが、接着層６を用ｉた時、入
力装置裏面の反射率と液晶表示素子表面の反射率の合計
は、約ｌチに減少した。目視による比較にお＾ても、接
着層６を設けたものの方が表示が鮮明であった。更に仁
の表示兼入力装置を、ω”ｃｃｉｏｓ下に２００時間放
置したが、接着層６のはがれ、気泡の発生もなく、また
光学的な性質の変化もなかった。One implementation Nl- Transparent on a soda-lime glass substrate 5 (refractive index about 1.52) as shown in Figure 1 as a human-powered device! A lower substrate with E electrodes 2 formed in stripes, a transparent electrode on polyethylene terephthalate l, a lower substrate with E electrodes 2 formed in stripes with spacers 3, and transparent electrodes facing each other and perpendicular to each other with a plurality of convex spacers 4 interposed therebetween. We used an X-Y matrix type touch key that was pasted together in a manner similar to the above. The light-receiving display element has a transparent electrode 1 made of TOO on the inner surface of a glass substrate 10 made of soda lime.
1, and two polarizing plates 9 (refractive index 1.5) each having an iodinated film supported by a cellulose acetate film, facing each other with a liquid crystal layer 12 in between; A reflector plate 13 was attached in the same manner. As the adhesive layer 6, an ultraviolet curing acrylic adhesive (
The input 1f-ft7 and the liquid crystal display element 14t were bonded together by pressure bonding in vacuum using a refractive index of about 1.48) after curing. Adhesion Ifl between input i [t7 and liquid crystal display element 14
When the adhesive layer 6 was not installed and the input device was bonded with double-sided tape 8 as shown in FIG. When used, the sum of the reflectance of the back surface of the input device and the reflectance of the surface of the liquid crystal display element decreased to about 1 inch. Visual comparison also showed that the display provided with the adhesive layer 6 was clearer. Furthermore, when the display/input device of Jin was left under ω''ccios for 200 hours, there was no peeling of the adhesive layer 6, no generation of bubbles, and no change in optical properties.
−実施９１Ｊ２一
液晶表示素子と人力装置は実施例１と同じものを使用し
た。接着層６として厚さ約０．３ ｗｉの可塑性ポリビ
ニルブチラール（屈折率約１．５１％ ）を使用し偏光
板の劣化のない約（資）℃で液晶表示素子と入力装置を
貼り合わせた。こりしてできた表示兼入力装置の液晶表
示素子表面の反射率と入力装置裏面の反射率の合計は約
１％であり、目視テストでも実施例１よりも更に視認性
の良い装置であった。-Example 91J2 - The same liquid crystal display element and manual equipment as in Example 1 were used. A plastic polyvinyl butyral (refractive index of about 1.51%) having a thickness of about 0.3 wi was used as the adhesive layer 6, and the liquid crystal display element and the input device were bonded together at about (1)°C without deterioration of the polarizing plate. The total reflectance of the liquid crystal display element surface of the display/input device made by stiffening and the reflectance of the back surface of the input device was about 1%, and visual tests showed that the device had even better visibility than Example 1. .
一実施例３一
実施例１と同様の構成にし、接着１ｔｉｌ ６はエチレ
ン−酢酸ビニル共重合体を変成した樹脂シートを使用し
た。入力装置Ｎ面の反射率と表示素子表面の反射率の合
計は約１％であった。Example 3 The same structure as Example 1 was used, and the adhesive 1til 6 was a resin sheet obtained by modifying an ethylene-vinyl acetate copolymer. The total reflectance of the input device N surface and the display element surface was about 1%.
上記実施例以外に接着Ｎｌｌ６として、透明性の良ｉエ
ポキシ系接着剤、２液型アクリル系接着剤、アクリル系
接着剤、シリコーン系接着剤等を用ｉることもできる。In addition to the above embodiments, a transparent epoxy adhesive, a two-component acrylic adhesive, an acrylic adhesive, a silicone adhesive, or the like can also be used as the adhesive N116.
また実施例のよ５な反射型表示素子のみならず、透過型
表示素子においても同様の効果がある。Further, similar effects can be obtained not only in the reflective display element as in Example 5 but also in the transmissive display element.
なお、表示素子が一層でなく、多層であってもよいこと
はりりまでもない。また、液晶等の表示素子の電極基板
が無アルガリガラスや、ポリサル７オン、ポリエーテル
サル７オン、ポリエチレンテレフタレート等のプラスチ
ックフィルム（偏光子が一本化さにた電極基板を含む）
であってもよい。Note that it goes without saying that the display element may have multiple layers instead of just one layer. In addition, the electrode substrates of display elements such as liquid crystals are made of non-algali glass, polysal 7on, polyethersal 7on, polyethylene terephthalate, and other plastic films (including electrode substrates with a single polarizer).
It may be.
また入力装置として、醇３′図（（り （ｂ） （ｃ’
）に示すよりにガラス基板３上に透明電極美をほぼ全面
に形成しその両端に電極端子１９を設け、下基板１９と
、ポリエチレンテレフタレート２１上に透明１１Ｃ極Ｌ
６をほぼ全面に形成し、その両端にｍ極端子１５を設け
た上基板１７をスペーサー四と、複数の凸状スペーサー
２３を介してＩ！電極端子互＾に直交し透明電極が互匹
に対向するように貼り会わせたＷｔ位検出型タッチキー
、または電流検出微タッチキーを用いてもよめ。In addition, as an input device, Figure 3' ((ri (b) (c'
), transparent electrodes are formed almost entirely on the glass substrate 3, electrode terminals 19 are provided at both ends, and transparent 11C poles L are formed on the lower substrate 19 and polyethylene terephthalate 21.
6 is formed on almost the entire surface, and the m-pole terminals 15 are provided at both ends of the upper substrate 17, which is connected to the upper substrate 17 via the spacer 4 and a plurality of convex spacers 23. You may also use a Wt position detection type touch key in which the electrode terminals are perpendicular to each other and transparent electrodes are pasted together so that they face each other, or a current detection fine touch key.
更に靜電結会方式を用いた入力装置や、電ｇ＆誘導方式
を用りた入力装置でほぼ透明な基板を用いて表示素子上
に乗せて用いることができる入力装置を用いても同様の
効果がある。Furthermore, the same effect can be obtained by using an input device using the electromagnetic coupling method or an input device using the electric g&induction method, which can be mounted on a display element using a nearly transparent substrate. be.
〈発明の効果〉
以上のように本発明によって視認性の優れた表示兼入力
装置の提供が可能になった。<Effects of the Invention> As described above, the present invention has made it possible to provide a display/input device with excellent visibility.
更に本発明は、接着層６を設けたことにより入力装置と
表示装置がより強固に接着でき、使用しているりちに入
力装置と出力装置がずれたり、はずれる事がなくなった
。Further, in the present invention, by providing the adhesive layer 6, the input device and the display device can be bonded more firmly, and the input device and the output device will not shift or come off during use.
又、受光型表示装置を高デユーテイ駆動した場合、従来
までその視認性の悪さから入力装置を乗せる事ができな
かったが、本発明によってこれが可能となり、表示容量
が大きな表示兼入力製置を提供できるようになった。Furthermore, when a light-receiving display device is driven at a high duty cycle, it has been impossible to mount an input device on it due to its poor visibility, but the present invention makes this possible, providing a display/input device with a large display capacity. Now you can.
と？′Ｌを、パーソナル；ンピューターの端末機として
用りれば、非常に小さなスペースでシステムを構成でき
る。また、高＾視認性が必要な計測器や大聾機械、更に
は自動車等の操作盤として、表示兼入力装置の応用を広
げることができる。and? If 'L is used as a personal computer terminal, a system can be configured in a very small space. In addition, the display and input device can be used as a control panel for measuring instruments that require high visibility, large-deaf machines, and even automobiles.
第１図は本発明の一実施例である。ｗＸ２図は比較例で
あり、第３図（ロ）（ｂ） （（＋）は、本発明の入力
装置の他の実施例の説明図である。
図中
１・・ポリエチレンテレフタレート
２・・透明電極 ３・・スペーサー４・・凸状スペ
ーサー
５・・ガラス ６・・接着層
７・嗜入力装置 ８・・両面テープ９・・上偏光板
ｌＯ・・ガラス
１１・・透明ｍ極 １２−・下偏光板１３・・反射
板 １４・・液晶表示素子１５・・電極端子
１６・・透明ＩＥ甑１７・・上基板 １８・＠
電極端子１９・−下基板 加・・透明電極２１・
・ポリエチレンテレフタレート
ｎ・・スペーサー 羽・・凸状スヘーサース・・ガラ
ス
を表わす。
以上FIG. 1 shows an embodiment of the present invention. w Electrode 3.. Spacer 4.. Convex spacer 5.. Glass 6.. Adhesive layer 7. Input device 8.. Double-sided tape 9.. Upper polarizing plate lO.. Glass 11.. Transparent m-pole 12-.. Lower Polarizing plate 13...Reflector plate 14...Liquid crystal display element 15...Electrode terminal
16...Transparent IE pot 17...Top board 18.@
Electrode terminal 19・Lower substrate addition・Transparent electrode 21・
・Polyethylene terephthalate n...Spacer wing...Convex spacer...Represents glass. that's all
Claims (1)
構成した表示兼入力装置において、前記入力装置が、該
入力装置の前記表示素子との接合面の材料とほぼ屈折率
の等しい材料、又は前記表示素子の前記入力装置との接
合面の材料とほぼ屈折率の等しい材料、又は前記入力装
置の前記表示素子との接合面の材料の屈折率と、前記表
示素子の前記入力装置との接合面の材料の屈折率のほぼ
中間の屈折率を有する材料で、前記表示素子に貼り合わ
されていることを特徴とする表示兼入力装置。A display/input device comprising a display element and a substantially transparent input device on the front side of the display element, wherein the input device is made of a material having a refractive index substantially equal to the material of the joint surface of the input device with the display element; or a material having a refractive index substantially equal to that of the material of the joint surface of the display element with the input device, or a refractive index of the material of the joint surface of the input device with the display element and the input device of the display element. A display/input device characterized in that the display element is bonded to the display element using a material having a refractive index that is approximately midway between the refractive index of the material of the bonding surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60123606A JPS61282915A (en) | 1985-06-07 | 1985-06-07 | Display and input device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60123606A JPS61282915A (en) | 1985-06-07 | 1985-06-07 | Display and input device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61282915A true JPS61282915A (en) | 1986-12-13 |
Family
ID=14864770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60123606A Pending JPS61282915A (en) | 1985-06-07 | 1985-06-07 | Display and input device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61282915A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06309101A (en) * | 1991-03-06 | 1994-11-04 | Nissha Printing Co Ltd | Transparent touch panel |
-
1985
- 1985-06-07 JP JP60123606A patent/JPS61282915A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06309101A (en) * | 1991-03-06 | 1994-11-04 | Nissha Printing Co Ltd | Transparent touch panel |
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