JPH0343605B2 - - Google Patents
Info
- Publication number
- JPH0343605B2 JPH0343605B2 JP56063611A JP6361181A JPH0343605B2 JP H0343605 B2 JPH0343605 B2 JP H0343605B2 JP 56063611 A JP56063611 A JP 56063611A JP 6361181 A JP6361181 A JP 6361181A JP H0343605 B2 JPH0343605 B2 JP H0343605B2
- Authority
- JP
- Japan
- Prior art keywords
- liquid crystal
- crystal display
- drive circuit
- switch
- circuit board
- 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 43
- 239000000758 substrate Substances 0.000 claims description 23
- 229920005570 flexible polymer Polymers 0.000 claims description 4
- 238000000034 method Methods 0.000 description 4
- 125000006850 spacer group Chemical group 0.000 description 3
- 241000283070 Equus zebra Species 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- -1 polyethylene terephthalate Polymers 0.000 description 2
- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910003437 indium oxide Inorganic materials 0.000 description 1
- PJXISJQVUVHSOJ-UHFFFAOYSA-N indium(iii) oxide Chemical compound [O-2].[O-2].[O-2].[In+3].[In+3] PJXISJQVUVHSOJ-UHFFFAOYSA-N 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229920001707 polybutylene terephthalate Polymers 0.000 description 1
- 229920006289 polycarbonate film Polymers 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 1
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 1
- 229910001887 tin oxide Inorganic materials 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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
- G02F1/133305—Flexible substrates, e.g. plastics, organic film
-
- 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
- G02F1/13338—Input devices, e.g. touch panels
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2219/00—Legends
- H01H2219/002—Legends replaceable; adaptable
- H01H2219/01—Liquid crystal
- H01H2219/012—Liquid crystal programmable
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2239/00—Miscellaneous
- H01H2239/02—Other elements in moving part
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)
- Input From Keyboards Or The Like (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Description
【発明の詳細な説明】
［産業上の利用分野］
本発明は表示部とスイツチ部とを一体化した液
状表示装置に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Industrial Field of Application] The present invention relates to a liquid display device that integrates a display section and a switch section.
［従来の技術及び発明が解決しようとする課題］
液晶表示装置を用いる電子機器、例えばデジタ
ル時計、電子卓上計算機、コンピユータの入力装
置等は表示部と、シースイツチ等からなるスイツ
チ部を必要とするが従来は表示部とスイツチ部と
をそれぞれ別体の構造とし、これらを平面上に並
べて配置しているため、装置が大型化するという
欠点があり、また小型にまとめようとする液晶表
示装置もスイツチ部も共にスペース的な制約を受
けデザインに自由度がなくなるという欠点があつ
た。[Prior Art and Problems to be Solved by the Invention] Electronic devices that use liquid crystal display devices, such as digital watches, electronic desktop calculators, computer input devices, etc., require a display section and a switch section such as a switch. Conventionally, the display section and the switch section were constructed as separate bodies, and they were arranged side by side on a flat surface, which had the disadvantage of increasing the size of the device.Furthermore, liquid crystal display devices that were intended to be made smaller also had the disadvantage of having a switch section. Both sections had the disadvantage of being subject to space constraints and lack of freedom in design.
更に、従来品においては一つのスイツチを回路
の切り替えにより別のスイツチとして機能させよ
うとする場合、スイツチ機能の表示が例えば印刷
によつて複数表示されることとなり、使用者が、
どの表示の機能でスイツチを操作しているかの判
別が困難となり、実際的ではなく、従つて一つの
スイツチに複数の機能に付与することは難しいと
いう欠点があつた。 Furthermore, in conventional products, when trying to make one switch function as another switch by switching circuits, multiple displays of the switch function are displayed, for example by printing, and the user has to
This has the disadvantage that it is difficult to determine which display function is used to operate the switch, which is impractical, and it is therefore difficult to assign multiple functions to one switch.
そこで本出願人は先に可撓性ポリマーフイルム
の上下基板関に液晶を封入して文字、記号又は図
形を表示する液晶表示パネルと、駆動回路の基板
との間に表面に導電部材を設けたスイツチ板を配
設してなり、液晶表示パネルを押圧することによ
りスイツチ板上の導電部材を駆動回路の基板上に
設けられた対向電極に接触させてスイツチ操作を
行うように構成した液晶表示装置を出願して上記
欠点を解消した。しかしながらこの装置ではわざ
わざスイツチ板を使用しなければならず、そのた
め部品点数が増し工程がかさむと共に装置が厚く
なるという短所があつた。 Therefore, the present applicant first installed a conductive member on the surface between a liquid crystal display panel that displays characters, symbols, or figures by sealing liquid crystal between the upper and lower substrates of a flexible polymer film and the substrate of the drive circuit. A liquid crystal display device that is provided with a switch plate and configured so that by pressing the liquid crystal display panel, a conductive member on the switch plate is brought into contact with a counter electrode provided on a substrate of a drive circuit to perform a switch operation. The above drawbacks were resolved by filing the application. However, this device requires the use of a switch plate, which has the drawbacks of increasing the number of parts, lengthening the process, and making the device thicker.
［課題を解決するための手段］
本発明の目的はこのような短所を解消した液晶
表示装置を提供することにあり、かかる目的は、
可撓性ポリマーフイルムの上下基板間に液晶が
封入されると共に、下基板側には可撓性の反射板
が積層されている液晶表示パネルと、
該液晶表示パネルの反射板側に対向配置された
駆動回路基板と、
を備えた液晶表示装置であつて、
上記反射板の駆動回路基板との対向面上に導電
部材を設けると共に、上記駆動回路基板には該導
電部材に対応する対向電極を設け、
液晶表示パネルに押圧することにより反射板上
の導電部材を駆動回路基板上の対向電極に接触さ
せてスイツチ操作を行うように構成してなること
を特徴とする液晶表示装置により達成される。[Means for Solving the Problems] An object of the present invention is to provide a liquid crystal display device that eliminates such disadvantages, and the object is to provide a liquid crystal display device in which a liquid crystal is sealed between upper and lower substrates of a flexible polymer film. The liquid crystal display device also includes: a liquid crystal display panel in which a flexible reflective plate is laminated on the lower substrate side; and a drive circuit board disposed opposite to the reflective plate side of the liquid crystal display panel. , A conductive member is provided on the surface of the reflector facing the drive circuit board, and a counter electrode corresponding to the conductor is provided on the drive circuit board, and the conductor on the reflector is pressed against the liquid crystal display panel. This is achieved by a liquid crystal display device characterized in that the switch operation is performed by bringing a member into contact with a counter electrode on a drive circuit board.
［実施例］
以下、図面に基づいて本発明の実施例を説明す
る。第１図は光反射型ツイストネマツチク方式の
液晶表示装置に本発明を応用した本発明の第１実
施例で、１，２は液晶表示パネルの上下基板で、
ポリエチレンテレフタレートフイルム、ポリブチ
レンテレフタレートフイルム、ポリカーボネート
フイルム、ポリエーテルスルフオンフイルム等の
可撓性に富むポリマーフイルムが用いられ、これ
らの表面には酸化インジウム、酸化ズス等の透明
導電膜が形成され公知の方法で配向処理されてい
る。上下基板１，２間には、液晶３をシール剤４
で封入すると共に上基板１の電極をゼブラコンタ
クト５により駆動回路の基板６と接続し、駆動回
路の信号に基づいて種々の文字、記号又は図形を
表示するようになされ、それらが表示する位置は
任意に選定される。そして上基板１の上側及び下
基板２の下側にはそれぞれ上下偏光板７，８が配
置され、更に下偏光板の下側には反射板９が配置
されている。そして反射板９下面には導電膜１０
が複数個所施されてスイツチ板を兼ねており、反
射板９はスペーサ１１を介して駆動回路の基板６
と隔てられ、導電膜１０は基板６上の左右一対の
対向電極１２である導電膜と向き合い、左右の電
極１２に前記導電膜１０が接触することによつて
短絡するようになされている。そして前記液晶表
示パネルの基板、反射板、スペーサ、及び駆動回
路の基板等はそれぞれ重ね合わされて適宜接着剤
等で固定される。[Example] Hereinafter, an example of the present invention will be described based on the drawings. FIG. 1 shows a first embodiment of the present invention in which the present invention is applied to a light reflective twisted nematic type liquid crystal display device. 1 and 2 are upper and lower substrates of a liquid crystal display panel;
Highly flexible polymer films such as polyethylene terephthalate film, polybutylene terephthalate film, polycarbonate film, and polyether sulfonate film are used, and a transparent conductive film such as indium oxide or tin oxide is formed on the surface of the film. Oriented by a method. A liquid crystal 3 is placed between the upper and lower substrates 1 and 2 using a sealant 4.
At the same time, the electrodes of the upper substrate 1 are connected to the substrate 6 of the drive circuit by zebra contacts 5, and various characters, symbols, or figures are displayed based on the signals of the drive circuit, and the positions at which they are displayed are Randomly selected. Upper and lower polarizing plates 7 and 8 are arranged above the upper substrate 1 and below the lower substrate 2, respectively, and a reflecting plate 9 is arranged below the lower polarizing plate. A conductive film 10 is formed on the lower surface of the reflector 9.
are provided at multiple locations and also serves as a switch plate, and the reflector plate 9 is connected to the drive circuit board 6 via a spacer 11.
The conductive film 10 faces a pair of left and right opposing electrodes 12 on the substrate 6, and is short-circuited when the conductive film 10 contacts the left and right electrodes 12. Then, the substrate of the liquid crystal display panel, the reflector, the spacer, the substrate of the drive circuit, etc. are stacked on top of each other and fixed with an appropriate adhesive or the like.
従つて第２図に示すように指１３等で、上下基
板１，２、上下偏光板７，８等よりなる液晶表示
パネルＡの一部分を押圧すると、液晶表示パネル
Ａと反射板９とが撓んで導電膜１０と左右の電極
１２が短絡し、また指１３を離すと液晶表示パネ
ルＡと反射板９の撓んだ個所が復帰し、導電膜１
０が対向電極１２を離れるというようにスイツチ
操作を行うことができる。 Therefore, as shown in FIG. 2, when a part of the liquid crystal display panel A consisting of the upper and lower substrates 1, 2, the upper and lower polarizing plates 7, 8, etc. is pressed with a finger 13 or the like, the liquid crystal display panel A and the reflection plate 9 are bent. Then, the conductive film 10 and the left and right electrodes 12 are short-circuited, and when the finger 13 is released, the bent parts of the liquid crystal display panel A and the reflection plate 9 are restored, and the conductive film 1
A switch operation can be performed such that 0 leaves the counter electrode 12.
次に第３図は本実施例の液晶表示装置を用いた
電子卓上計算機の正面図を例示したもので、この
場合は前記液晶表示パネルＡを二重に積み重ね、
第１番目のパネルには、計算過程或は計算結果を
表示する表示部１５の他に、第３図ａ，ｂに示す
ように各キースイツチの機能を表示１６するよう
に液晶表示パターンが配置され、また第２番目の
パネルには第３図ｃに示すように例えばコンピユ
ータ入力装置として用いる場合の記号が表示でき
るように液晶表示パターンが配置されている。従
つて、「MODE」キー或は「STAGE」キーの選
択操作によつて使用者の必要に応じて第３図ａ，
ｂ，ｃのいずれかに示すように各キーの機能がそ
れぞれ別々に表示されるので、一つのスイツチに
複数の機能を付与しても使用者はキーの表示によ
つて機能を確実に判別することができる。 Next, FIG. 3 illustrates a front view of an electronic desktop calculator using the liquid crystal display device of this embodiment. In this case, the liquid crystal display panels A are stacked in double
On the first panel, in addition to a display section 15 that displays the calculation process or calculation results, a liquid crystal display pattern is arranged to display the functions of each key switch 16 as shown in FIGS. 3a and 3b. As shown in FIG. 3c, a liquid crystal display pattern is arranged on the second panel so as to display symbols for use as a computer input device, for example. Therefore, by selecting the "MODE" key or the "STAGE" key, the functions shown in FIG. 3a,
As shown in either b or c, the function of each key is displayed separately, so even if one switch is provided with multiple functions, the user can reliably identify the function by the key display. be able to.
尚第３図においては、計算結果等の表示部１５
とスイツチの機能表示１６とを区分けして配置し
たが、このほか表示部１５の位置は自由に設定す
ることができる。 In addition, in FIG. 3, the display section 15 for displaying calculation results, etc.
Although the display section 15 and the switch function display 16 are arranged separately, the position of the display section 15 can be set freely.
第４図は本発明第２実施例で、光反射型の相転
位を利用したゲストホスト方式の例である。本実
施例では、上下基板１，２及び上偏光板７等より
なる液晶表示パネルＢの下側に反射板９を配置
し、反射板９下面には導電膜で回路１４が構成さ
れており、回路１４の一端はゼブラコンタクト等
により駆動回路と電気的に接続されている。 FIG. 4 shows a second embodiment of the present invention, which is an example of a guest-host system using light reflection type phase transition. In this embodiment, a reflector plate 9 is disposed below a liquid crystal display panel B consisting of upper and lower substrates 1, 2, an upper polarizing plate 7, etc., and a circuit 14 is formed of a conductive film on the lower surface of the reflector plate 9. One end of the circuit 14 is electrically connected to the drive circuit through a zebra contact or the like.
従つて指等で液晶表示パネルＢの一部分を第１
実施例と同様に押圧すると、反射板９も撓んで回
路１４と対向電極１２とが導通することにより回
路が閉じるようなスイツチ構成とされている。 Therefore, use your finger or the like to touch a portion of the liquid crystal display panel B to the first position.
The switch structure is such that when pressed in the same manner as in the embodiment, the reflecting plate 9 also bends and the circuit 14 and the counter electrode 12 are brought into conduction, thereby closing the circuit.
尚上記第１、第２実施例の他、例えば光反射型
のツイストネマチツク方式を利用したゲストホス
ト方式液晶表示装置では、反射板の下面に直接導
電膜を設け、反射板をスイツチ板と兼用させるよ
うにすればよい。 In addition to the first and second embodiments described above, for example, in a guest-host type liquid crystal display device using a light reflective twisted nematic method, a conductive film is directly provided on the lower surface of the reflector, and the reflector also serves as a switch plate. All you have to do is let it happen.
［発明の効果］
以上のように本発明の液晶表示装置は、液晶表
示パネルに設けられた反射板に導電部材を設け、
液晶表示パネルを押圧することによりその導電部
材を駆動回路基板上の対向電極に接触させて、ス
イツチ操作を行うように構成されているため、表
示部とスイツチ部とを一体化して、装置を極めて
コンパクトにすることができると共に、その場合
でも、表示部及びスイツチの機能の表示を表面の
スペースいつぱいに配置することができ、表示内
容を大きくしかも表現を豊かにできる効果があ
る。[Effects of the Invention] As described above, the liquid crystal display device of the present invention includes a conductive member provided on the reflective plate provided on the liquid crystal display panel,
By pressing the liquid crystal display panel, the conductive member is brought into contact with the counter electrode on the drive circuit board to perform the switch operation, so the display section and the switch section can be integrated, making the device extremely useful. Not only can it be made compact, but even in that case, the displays of the display section and the functions of the switches can be arranged to fill up the space on the surface, which has the effect of making the displayed contents larger and richer in expression.
また表示部はそのままスイツチ部となるので、
スイツチの数を多くすることができ、一つのスイ
ツチに複数の機能を与えても、その機能毎に切り
替えて表示することにより操作が極めて簡単とな
る効果がある。更に本発明では、反射板に導電部
材を設けることにより反射板をスイツチ板として
機能させているので、スイツチ板を特別に設ける
場合にくらべて、装置がスイツチ板の分だけ薄く
なり、部品点数も減らすことができる。 In addition, the display section can be used as a switch section, so
The number of switches can be increased, and even if one switch is provided with a plurality of functions, the operation can be made extremely simple by switching and displaying each function. Furthermore, in the present invention, the reflective plate is made to function as a switch plate by providing a conductive member on the reflective plate, so compared to a case where a switch plate is specially provided, the device becomes thinner by the switch plate and the number of parts is also reduced. can be reduced.
また更に本発明では、駆動回路基板を液晶表示
パネルの反射板側に対向配置し、駆動回路基板上
に対向電極をオン−オフするための導電部材を反
射板上に形成しており、駆動回路基板及び導電部
材は液晶表示パネルの表示面とは反対側に配設さ
れるため、これら各部を光透過性の材料により作
成する必要がなく、また液晶表示パネルは、例え
ば反射板に導電部材を形成した後、上下基板間に
液晶を封入した液晶表示パネル本体の下基板側に
反射板を積層するといつた手順で、簡単に作製す
ることができる。 Furthermore, in the present invention, the drive circuit board is disposed opposite to the reflection plate side of the liquid crystal display panel, and a conductive member for turning on and off the counter electrode on the drive circuit board is formed on the reflection plate, and the drive circuit board is arranged to face the reflection plate side of the liquid crystal display panel. Since the substrate and the conductive member are disposed on the side opposite to the display surface of the liquid crystal display panel, there is no need to make these parts from a light-transmitting material, and the liquid crystal display panel also has a conductive member on the reflective plate, for example. After formation, it can be easily manufactured by laminating a reflective plate on the lower substrate side of a liquid crystal display panel body in which liquid crystal is sealed between the upper and lower substrates.
第１図は本発明第１実施例を示す拡大断面図、
第２図は同例の使用状態を示す断面図、第３図は
同例の液晶表示装置を電子卓上計算機に使用した
場合の正面図、第４図は本発明第２実施例を示す
分解斜視図、である。
１……上基板、２……下基板、３……液晶、６
……駆動回路の基板、７，８……偏光板、９……
反射板、１１……スペーサ。
FIG. 1 is an enlarged sectional view showing the first embodiment of the present invention;
Fig. 2 is a sectional view showing the same example in use, Fig. 3 is a front view of the liquid crystal display device of the same example used in an electronic desktop calculator, and Fig. 4 is an exploded perspective view showing the second embodiment of the present invention. Figure. 1... Upper substrate, 2... Lower substrate, 3... Liquid crystal, 6
... Drive circuit board, 7, 8 ... Polarizing plate, 9 ...
Reflector, 11...Spacer.
Claims (1)
が封入されると共に、下基板側には可撓性の反射
板が積層されている液晶表示パネルと、 該液晶表示パネルの反射板側に対向配設された
駆動回路基板と、 を備えた液晶表示装置であつて、 上記反射板の駆動回路基板との対向面上に導電
部材を設けると共に、上記駆動回路基板には該導
電部材に対応する対向電極を設け、 液晶表示パネルを押圧することにより反射板上
の導電部材を駆動回路基板上の対向電極に接触さ
せてスイツチ操作を行うように構成してなること
を特徴とする液晶表示装置。[Scope of Claims] 1. A liquid crystal display panel in which a liquid crystal is sealed between upper and lower substrates of a flexible polymer film, and a flexible reflective plate is laminated on the lower substrate side; A liquid crystal display device comprising: a drive circuit board disposed opposite to the reflector; a conductive member is provided on a surface of the reflector facing the drive circuit board; and a conductive member is provided on the drive circuit board. A counter electrode corresponding to the conductive member is provided, and by pressing the liquid crystal display panel, the conductive member on the reflection plate is brought into contact with the counter electrode on the drive circuit board to perform a switch operation. LCD display device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56063611A JPS57178220A (en) | 1981-04-27 | 1981-04-27 | Liquid crystal display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56063611A JPS57178220A (en) | 1981-04-27 | 1981-04-27 | Liquid crystal display device |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2024815A Division JPH0652344B2 (en) | 1990-02-02 | 1990-02-02 | Liquid crystal display |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57178220A JPS57178220A (en) | 1982-11-02 |
| JPH0343605B2 true JPH0343605B2 (en) | 1991-07-03 |
Family
ID=13234261
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56063611A Granted JPS57178220A (en) | 1981-04-27 | 1981-04-27 | Liquid crystal display device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57178220A (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS606925A (en) * | 1983-06-24 | 1985-01-14 | Hosiden Electronics Co Ltd | Liquid crystal display element with switch |
| CH654166GA3 (en) * | 1983-10-14 | 1986-02-14 | ||
| JPH0634121B2 (en) * | 1983-11-16 | 1994-05-02 | ソニー株式会社 | Video tape recorder display |
| EP0345029B1 (en) * | 1988-06-01 | 1994-10-12 | Raychem Corporation | A switch incorporating NCAP liquid crystal |
| JP2577494Y2 (en) * | 1992-07-10 | 1998-07-30 | 東芝機械株式会社 | Numerical setting input display |
| US7268770B1 (en) | 1998-01-09 | 2007-09-11 | Nissha Printing Co., Ltd. | Liquid crystal display of touch input type, and method of manufacture |
| MX356022B (en) | 2010-12-10 | 2018-05-08 | Aquahydrex Pty Ltd | Multi-layer water- splitting devices. |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5677884A (en) * | 1979-11-29 | 1981-06-26 | Seiko Instr & Electronics | Liquid crystal panel |
-
1981
- 1981-04-27 JP JP56063611A patent/JPS57178220A/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5677884A (en) * | 1979-11-29 | 1981-06-26 | Seiko Instr & Electronics | Liquid crystal panel |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57178220A (en) | 1982-11-02 |
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