JPH0576055B2 - - Google Patents
Info
- Publication number
- JPH0576055B2 JPH0576055B2 JP59056560A JP5656084A JPH0576055B2 JP H0576055 B2 JPH0576055 B2 JP H0576055B2 JP 59056560 A JP59056560 A JP 59056560A JP 5656084 A JP5656084 A JP 5656084A JP H0576055 B2 JPH0576055 B2 JP H0576055B2
- Authority
- JP
- Japan
- Prior art keywords
- liquid crystal
- reflective
- crystal display
- display element
- input
- 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.)
- Expired - Lifetime
Links
- 239000004973 liquid crystal related substance Substances 0.000 claims description 13
- 230000005674 electromagnetic induction Effects 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 3
- 239000011810 insulating material Substances 0.000 claims description 3
- 239000012463 white pigment Substances 0.000 claims description 2
- 239000000758 substrate Substances 0.000 description 8
- 230000005291 magnetic effect Effects 0.000 description 7
- 239000000463 material Substances 0.000 description 5
- 230000035515 penetration Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000007740 vapor deposition Methods 0.000 description 3
- 239000012790 adhesive layer Substances 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 230000005672 electromagnetic field Effects 0.000 description 2
- 239000003566 sealing material Substances 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- JRPBQTZRNDNNOP-UHFFFAOYSA-N barium titanate Chemical compound [Ba+2].[Ba+2].[O-][Ti]([O-])([O-])[O-] JRPBQTZRNDNNOP-UHFFFAOYSA-N 0.000 description 1
- 229910002113 barium titanate Inorganic materials 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000003302 ferromagnetic material Substances 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
Description
【発明の詳細な説明】
〈技術分野〉
本発明は反射型液晶表示素子の下に電磁誘導方
式タブレツトを配置して成る入力・表示装置に関
するものである。DETAILED DESCRIPTION OF THE INVENTION Technical Field The present invention relates to an input/display device comprising an electromagnetic induction tablet placed below a reflective liquid crystal display element.
〈従来技術〉
反射型液晶表示素子の裏面に電磁誘導方式タブ
レツトを配置して成る入力・表示装置の開発に伴
い、従来のアルミ箔による反射板付液晶表示素子
では、入力用の磁力線が透過しない欠点が明らか
になり、改善が求められていた。<Prior art> With the development of an input/display device consisting of an electromagnetic induction tablet placed on the back side of a reflective liquid crystal display element, it has been discovered that the conventional liquid crystal display element with a reflective plate made of aluminum foil has the disadvantage that magnetic lines of force for input are not transmitted through it. It became clear that improvements were needed.
〈発明の目的〉
本発明は上記の問題点を解決することを目的と
するものであり、反射型液晶表示素子の反射板を
絶縁材料で形成する構成とすることにより、入力
用の磁力線の透過を容易にした入力・表示装置を
提供するものである。<Object of the Invention> The present invention aims to solve the above-mentioned problems, and by forming the reflective plate of a reflective liquid crystal display element with an insulating material, it is possible to reduce the transmission of input magnetic lines of force. The present invention provides an input/display device that makes it easy to use.
〈実施例〉
以下、本発明の実施例について図面に従い詳細
に説明する。<Examples> Examples of the present invention will be described in detail below with reference to the drawings.
第１図は本発明の一実施例の概略構成を示す断
面図である。 FIG. 1 is a sectional view showing a schematic configuration of an embodiment of the present invention.
図に於いて、１は反射型TN−FEN液晶表示素
子であり、２は液晶表示素子１の裏面側に配置さ
れた電磁誘導方式タブレツトである。液晶表示素
子１の構成は以下の通りである。すなわち、１１
は表示側偏光板、１２は表示側透明基板、１３は
表示側透明電極、１４は液晶組成物、１５はシー
ル材、１６は対向側透明電極、１７は対向側透明
基板、１８は対向側偏光板、１９は反射板であ
る。 In the figure, 1 is a reflective TN-FEN liquid crystal display element, and 2 is an electromagnetic induction tablet placed on the back side of the liquid crystal display element 1. The configuration of the liquid crystal display element 1 is as follows. That is, 11
12 is a display-side polarizing plate, 12 is a display-side transparent substrate, 13 is a display-side transparent electrode, 14 is a liquid crystal composition, 15 is a sealing material, 16 is a transparent electrode on the opposite side, 17 is a transparent substrate on the opposite side, and 18 is polarized light on the opposite side. The plate 19 is a reflecting plate.
電磁誘導方式タブレツト２は、磁界検出ループ
コイルと、そのループコイルに誘起された電圧を
検出する回路とよりなる。磁界発生用のペンは表
示面上で操作される。したがつて、このペンより
発生された磁力線は液晶表示素子を透過してタブ
レツト２まで達しなければならない。 The electromagnetic induction tablet 2 consists of a magnetic field detection loop coil and a circuit that detects the voltage induced in the loop coil. A pen for generating a magnetic field is operated on the display surface. Therefore, the magnetic lines of force generated by the pen must reach the tablet 2 through the liquid crystal display element.
導体表面の振動している電磁界は、その導体内
部へ向つて減衰しながら侵入するが、通常の金属
の侵入長は著しく小さく、電磁界は金属を通り抜
けられず、電磁遮蔽が行なわれる。 The electromagnetic field vibrating on the surface of a conductor penetrates into the conductor while being attenuated, but the penetration depth of ordinary metals is extremely small, and the electromagnetic field cannot pass through the metal, resulting in electromagnetic shielding.
一般に、電磁波の侵入長δは次式で与えられ
る。 Generally, the penetration length δ of electromagnetic waves is given by the following equation.
δ＝√２ ここでωは電磁波の角周波数 μは透磁率 σは導電率 である。 δ=√2 Here, ω is the angular frequency of the electromagnetic wave μ is magnetic permeability σ is conductivity It is.
μは強磁性体でなければ物質による差は、ほと
んどなく、電磁波の侵入長に大きく影響する因子
としては導電率のみである。 There is almost no difference in μ depending on the material unless it is a ferromagnetic material, and the only factor that greatly affects the penetration depth of electromagnetic waves is conductivity.
ここで、本発明による絶縁性反射板を用いるこ
とによつて導電率は著しく低下し、よつて侵入長
として透過に充分な長さを得ることができるもの
である。 Here, by using the insulating reflector according to the present invention, the electrical conductivity is significantly lowered, and therefore a penetration length sufficient for transmission can be obtained.
反射板の実施例を第２図によつて示す。 An embodiment of the reflector is shown in FIG.
図に於ける１９が反射板であり、１８は偏光
板、２０は偏光板１８は反射板１９とを接着する
粘着剤層である。 In the figure, 19 is a reflecting plate, 18 is a polarizing plate, and 20 is an adhesive layer that adheres the polarizing plate 18 to the reflecting plate 19.
反射板１９は、支持基板１９１と、この上に形
成された反射材層１９２とから成る。反射材層１
９２は、ポリエステル、アクリル等の合成樹脂な
どの材質の絶縁性支持基板１９１の上に、酸化チ
タン、チタン酸バリウム、アルミナ等の白色顔料
系の絶縁材料を用い、数10μ程度の厚みで、かつ
反射効果をもたせるため表面が凹凸状になるよう
に塗布形成する（バインダー、接着剤等を混入し
たものを塗布し、固化させる）。或いは蒸着等に
よつて形成するものである。蒸着によつて形成す
るときは、予め支持基板１９１上に凹凸を付けて
おき、その上に蒸着を行う。 The reflective plate 19 includes a support substrate 191 and a reflective material layer 192 formed thereon. Reflective layer 1
92 uses a white pigment-based insulating material such as titanium oxide, barium titanate, alumina, etc. on an insulating support substrate 191 made of a material such as a synthetic resin such as polyester or acrylic, and has a thickness of about several tens of μm. To create a reflective effect, the surface is coated to create an uneven surface (a mixture of binder, adhesive, etc. is applied and solidified). Alternatively, it may be formed by vapor deposition or the like. When forming by vapor deposition, unevenness is provided on the support substrate 191 in advance, and vapor deposition is performed thereon.
〈発明の効果〉
以上詳細に説明したように本発明によれば、上
記従来の問題点を解決することができ、入力用磁
力線の透過を確実なものとすることができる入
力・表示装置を得ることができるものである。ま
た、従来の金属反射板に比べ耐食性が向上すると
共に、白色の素材を利用するとともに表面に凹凸
を形成しているので、反射効率をより向上させる
ことができるものである。<Effects of the Invention> As described in detail above, according to the present invention, it is possible to solve the above-mentioned conventional problems and to obtain an input/display device that can ensure the transmission of input magnetic lines of force. It is something that can be done. In addition, it has improved corrosion resistance compared to conventional metal reflectors, and since it uses a white material and has irregularities on its surface, it can further improve reflection efficiency.
本発明は、マイコン、事務機等の、表示を有す
る端末機等として有効に利用することができるも
のである。 INDUSTRIAL APPLICATION This invention can be effectively utilized as a terminal device etc. which has a display, such as a microcomputer and an office machine.
第１図及び第２図は断面図である。
符号の説明、１……反射型TN−FEM液晶表
示素子、２……電磁誘導方式タブレツト、１１…
…表示側偏光板、１２……表示側透明基板、１３
……表示側透明電極、１４……液晶組成物、１５
……シール材、１６……対向側透明電極、１７…
…対向側透明基板、１８……対向側偏光板、１９
……反射板、２０……粘着剤層、１９１……支持
基板、１９２……反射材層。
1 and 2 are cross-sectional views. Explanation of symbols, 1... Reflective TN-FEM liquid crystal display element, 2... Electromagnetic induction tablet, 11...
... Display side polarizing plate, 12 ... Display side transparent substrate, 13
... Display side transparent electrode, 14 ... Liquid crystal composition, 15
... Sealing material, 16 ... Opposing transparent electrode, 17 ...
...Opposing side transparent substrate, 18... Opposing side polarizing plate, 19
... Reflection plate, 20 ... Adhesive layer, 191 ... Support substrate, 192 ... Reflection material layer.
Claims (1)
レツトを配置して成る入力・表示装置に於いて、
上記液晶表示素子の反射板を白色顔料系の絶縁材
料で構成し、その表面に反射効果をもたせるため
の凹凸を形成したことを特徴とする入力・表示装
置。1. In an input/display device consisting of an electromagnetic induction tablet placed under a reflective liquid crystal display element,
An input/display device characterized in that the reflective plate of the liquid crystal display element is made of a white pigment-based insulating material, and the surface thereof has irregularities to provide a reflective effect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59056560A JPS60198628A (en) | 1984-03-22 | 1984-03-22 | Input/display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59056560A JPS60198628A (en) | 1984-03-22 | 1984-03-22 | Input/display device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60198628A JPS60198628A (en) | 1985-10-08 |
| JPH0576055B2 true JPH0576055B2 (en) | 1993-10-21 |
Family
ID=13030500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59056560A Granted JPS60198628A (en) | 1984-03-22 | 1984-03-22 | Input/display device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60198628A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0454518Y2 (en) * | 1986-01-07 | 1992-12-21 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS49123239A (en) * | 1973-03-28 | 1974-11-26 | ||
| JPS5922132A (en) * | 1982-07-28 | 1984-02-04 | Seiko Epson Corp | Input device |
-
1984
- 1984-03-22 JP JP59056560A patent/JPS60198628A/en active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS49123239A (en) * | 1973-03-28 | 1974-11-26 | ||
| JPS5922132A (en) * | 1982-07-28 | 1984-02-04 | Seiko Epson Corp | Input device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60198628A (en) | 1985-10-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |