JPS58142315A - Liquid crystal display device - Google Patents
Liquid crystal display deviceInfo
- Publication number
- JPS58142315A JPS58142315A JP57024972A JP2497282A JPS58142315A JP S58142315 A JPS58142315 A JP S58142315A JP 57024972 A JP57024972 A JP 57024972A JP 2497282 A JP2497282 A JP 2497282A JP S58142315 A JPS58142315 A JP S58142315A
- Authority
- JP
- Japan
- Prior art keywords
- liquid crystal
- films
- protrusions
- sputter etching
- display device
- 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
- G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
Description
【発明の詳細な説明】
不発W鉱カテー表示し得る液晶表示装置に関するもので
ある。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a liquid crystal display device capable of displaying unexploded W ore.
液晶表示装置は時計、卓上電子計算器、自動車の計響−
・・等種々の公費に用−られて−る。Liquid crystal display devices are used in watches, desk calculators, and automobile instrumentation.
It is used for various public funds such as...
このような液晶表示装置として雌、従来から2牧の偏光
板の間に電極を設けると共に液晶を該偏光板OIi方向
と平行に分子配向(所■平行配向)させ、更にこれら偏
光板の一方の表面に保麺用ガラスを、他方の表面にアル
貫箔のような反射板を配した構造のものが主として用い
られている。Conventionally, in this type of liquid crystal display device, electrodes are provided between two polarizing plates, and the liquid crystal molecules are oriented parallel to the OIi direction of the polarizing plate (parallel alignment), and one surface of these polarizing plates is A structure in which a reflective plate such as aluminium foil is arranged on the other surface of glass for holding noodles is mainly used.
上記従来の液晶表示は電極間に電圧を印加することによ
〉液晶の分子配列を変化させて文字、図形勢を表示する
ものであるが、液晶が平行配向されて−るため、その1
までは文字、図形等のカラー表示がで自ず、カラー表示
を望む場合にFi着色フィルターを鋳置内に配置しなけ
れdならなりという面倒さがある。The conventional liquid crystal display described above displays characters and graphics by changing the molecular arrangement of the liquid crystal by applying a voltage between the electrodes.
Until now, it was not possible to display characters, figures, etc. in color, but if color display was desired, an Fi coloring filter had to be placed in the mold, which was a hassle.
ところで、着色フィルターを配することなくカッ−表示
を行なうためには、液晶を偏光板の面方向に対して垂直
方向に配向させて、電圧印加時に液晶による光の複屈折
を生じさぜればよい仁とが知られている〇
液晶の一直配向のための手段として、透明なプ
バラスチックフィルムの表面を布で一方向に拳擦するこ
とにより験方向に沿う多W1.opst形威し、このフ
ィル^上で液晶を配向させる方決、或−はSiOを斜め
方向から蒸着せしめた透明プラスチックフィルム上で液
晶を配向させる方法および化学処理部が提案されて−る
が、いずれの方法においても液晶oa直配向が未だ不充
分であり、#嘴なカラー表示を得るに至っていを−のが
現状である。By the way, in order to display a color image without disposing a colored filter, it is necessary to orient the liquid crystal perpendicularly to the surface direction of the polarizing plate and cause birefringence of light by the liquid crystal when voltage is applied. 〇 Transparent plastic is known as a means for straight alignment of liquid crystals.
By rubbing the surface of the ballistic film in one direction with a cloth, the surface of the ballistic film is rubbed in one direction. A method of orienting the liquid crystal on this film using an OPS method, or a method of orienting the liquid crystal on a transparent plastic film on which SiO is obliquely deposited, and a chemical treatment section have been proposed. In either method, direct alignment of the liquid crystal OA is still insufficient, and the current situation is that it is difficult to obtain a clear color display.
本発明者達は上記現状に鑑み鋭意検討の結果、状突起を
形成せしめ、このフィルム2枚をその処理面同志が向き
合うように配置すると共にこのフィルム間に液晶を封入
すると、前記フィルムll!面に形成された針状突起に
よシ液晶を垂直配向することができ、鮮明なカラー表示
をなし得ることを見出し、本発明を完成するに至ったも
のである。The inventors of the present invention have made intensive studies in view of the above-mentioned current situation, and found that when two films are formed such that a projection is formed and two films are arranged so that their treated surfaces face each other, and a liquid crystal is sealed between the films, the film ll! It was discovered that liquid crystals can be vertically aligned by the needle-like protrusions formed on the surface, resulting in clear color display, and this led to the completion of the present invention.
即ち、本発明に係る液晶表示装置祉、片面に高周波スパ
ッタエツチング処理が施され、無敵の針状突起が形成さ
れた透明プラスチックフィルA2枚が、互にその高層波
スパッタエツチング処SWtが向暑合うように配置され
、これらフィルム間に液晶が封入され、更に前記透明プ
ラスチックフィルムの他面上に偏光板が配置されて−る
ことを特徴とするものである。That is, in the liquid crystal display device according to the present invention, two transparent plastic films A each having one side subjected to high frequency sputter etching treatment and having invincible acicular protrusions formed thereon, are heated by the high wave sputter etching treatment SWt. A liquid crystal is sealed between these films, and a polarizing plate is further arranged on the other surface of the transparent plastic film.
本発明において用−られる透明プラスチックフィルムの
材質は特に限定されないが、1m1!I4波スパツタエ
ツチング処理による針状突起の形成のし易さから、47
ツ化エチレン−67フ化プロピレン共重合樹脂、3フツ
化塩化エチレン411脂、或いはパーフルオロアルコキ
シ智脂或いはポリメチルメタクリレートから成るものが
好適である。これら透明プラスチックフィルムはその片
面が高周波スパッタエツチング処理されて用いられる。The material of the transparent plastic film used in the present invention is not particularly limited, but 1 m1! 47 because of the ease of forming needle-like protrusions by I4 wave sputter etching process.
Preferred are ethylene fluoride-67 propylene fluoride copolymer resins, trifluorochlorinated ethylene 411 resins, perfluoroalkoxy trifluorocarbons, or polymethyl methacrylate. These transparent plastic films are used with one side subjected to high frequency sputter etching treatment.
透明プラスチックフィル五表面に対するスパッタエツチ
ング処理は、周波数が数百11J1z w#!iニーM
Hg ()高周波により行なうことができるが、実用上
は工業割当周波数の13.56MHgを用いるのがよい
。この際の処理条件状プラスチックフィルムの材質に応
じて設定するが、通常ttgs気圧o、ooos〜0.
5 T@rr好ましくは0.005〜0.15 Tar
t s 放電電力密度0.1〜5watt、/;が、処
理時間数秒〜数分である。また、雰囲気ガスは特に限定
されないが、アルゴン等の不活性ガス、空気、チッ素、
水蒸気等が実用的である。The sputter etching process on the surface of the transparent plastic film has a frequency of several hundred 11J1z w#! i knee M
Although this can be done using high frequency Hg (), it is practically preferable to use the industrially allocated frequency of 13.56 MHg. The processing conditions at this time are set depending on the material of the plastic film, but usually TTGS atmospheric pressure o, ooos ~ 0.
5 T@rr preferably 0.005 to 0.15 Tar
The discharge power density is 0.1 to 5 watts, /; and the processing time is several seconds to several minutes. In addition, the atmospheric gas is not particularly limited, but may include inert gas such as argon, air, nitrogen,
Water vapor etc. are practical.
こO高周波スパッタエツチング処理により、透明プラス
チックフィルムの処理面に長さ約0.1〜10声腸の無
数の針状突起が形成され、該針状突起が液晶分子の垂直
配向作用を示して光の複屈折を生ぜしめ、その結果着色
フィルターを用いることなく、鮮明なカラー表示を達成
できる。By this high frequency sputter etching process, countless needle-like protrusions with a length of approximately 0.1 to 10 digits are formed on the treated surface of the transparent plastic film, and these needle-like protrusions exhibit vertical alignment of liquid crystal molecules and absorb light. As a result, clear color display can be achieved without using colored filters.
次に、図、面により本発明の詳細な説明する。第1図に
おいて1.1′ は偏光板であり、その面上には各々片
面が高周波スパッタエツチング処理された透明プラスチ
ックフィルム2,2′がその処理面が互に向き向うよう
に配置され、これら2枚のフィルム2.2′の間にネマ
ティック液晶、スメクテイツク液晶皓の液晶3が封入さ
れている。4は偏光板1′ を保護するためのガラス板
、5はアルミ箔等から成る反射板であり、6は液晶3を
封止するためのシール材であり、例えばエポキシ系接着
剤が用−られる。Next, the present invention will be explained in detail with reference to figures and planes. In FIG. 1, 1.1' is a polarizing plate, on which transparent plastic films 2 and 2' each having one side subjected to high-frequency sputter etching treatment are arranged so that the treated surfaces face each other. A liquid crystal 3 such as a nematic liquid crystal or a smectic liquid crystal is sealed between two films 2 and 2'. 4 is a glass plate for protecting the polarizing plate 1', 5 is a reflective plate made of aluminum foil, etc., and 6 is a sealing material for sealing the liquid crystal 3, for example, an epoxy adhesive is used. .
上記液晶表示装置においては、第2図に示す如く、透明
プラスチックフィルム2,2′表面にスパッタエツチン
グ処理により無数の針状突起7,7′が形成されている
。そして、該フィルム2.2′の所定部には透明電極8
,8′が設けられている。In the above liquid crystal display device, as shown in FIG. 2, numerous needle-like protrusions 7, 7' are formed on the surfaces of the transparent plastic films 2, 2' by sputter etching. A transparent electrode 8 is provided at a predetermined portion of the film 2.2'.
, 8' are provided.
この透明電極8.8’a酸化インジウムと鹸化スズの混
合物等を用い、針状突起7.7′上に真空恭着法、スパ
ッタリング法、イオンブレーティング法暗により薄膜形
成できるが、針状突起への均一付着性の点からはスパッ
タリング法、イオンブレーティング法により形成するの
が好適である。なお、透明電極の形成に際しては、その
厚さを約200〜500人程度とし、針状突起の形状が
実質的に変化しないよう留意する。Using a mixture of indium oxide and saponified tin for the transparent electrode 8.8'a, a thin film can be formed on the needle-like protrusion 7.7' by vacuum deposition, sputtering, or ion blating. From the point of view of uniform adhesion to the substrate, it is preferable to use a sputtering method or an ion blasting method. Note that when forming the transparent electrode, care should be taken to ensure that the thickness thereof is approximately 200 to 500, and that the shape of the needle-like protrusion is not substantially changed.
このような液晶表示装置においては、電極間に電圧を印
加すると位相遅れが発生し、これに応じた透過光の色変
化が起り、この色変化によりカラー表示が可能となる。In such a liquid crystal display device, when a voltage is applied between the electrodes, a phase delay occurs, and a corresponding color change occurs in the transmitted light, and this color change enables color display.
本発明は上記のように一成されており、高1目波スパツ
タエツチング処理により無数の針状突起を形成した透明
プラスチックフィルムの処11面の闇に液晶が垂直配向
するよう封入されているので、鮮明なカラー表示が得ら
れるという特徴を有する。The present invention is constructed as described above, and a liquid crystal is encapsulated so as to be vertically aligned in the darkness on the 11th side of a transparent plastic film on which numerous needle-like protrusions are formed by high-wavelength sputter etching treatment. Therefore, it has the characteristic that clear color display can be obtained.
以下、実施例により本発明を更に詳細に説明する。Hereinafter, the present invention will be explained in more detail with reference to Examples.
実施例
厚さ0.21111の37フ化塩化エチレン樹脂製透明
フイルムの片面な1雰囲気圧0.01 Torr 、放
電電力密度I Wets /cs”の条件で、アルゴン
ガスを用い60秒閲高屑波スパッタエツチング処理(J
iil波@ 13.56 MHz ) L、平均長さ1
μ賜の無数の針状突起を形成させる。Example: One side of a transparent film made of 37 chlorofluoroethylene resin having a thickness of 0.21111 was exposed to high waste waves using argon gas for 60 seconds under the conditions of an atmospheric pressure of 0.01 Torr and a discharge power density of I Wets/cs''. Sputter etching treatment (J
iii wave @ 13.56 MHz) L, average length 1
Forms countless needle-like protrusions.
次に、このフィルムの処理面所定部に酸化インジウムと
酸化スズの混合物をスパッタリング法により薄1[形成
させ、厚さ400人の透明電極とする1上記透明電極形
成フィルム2枚の間に、N−(P−メトキシベンジリデ
ン) P/−ブチルアニリンを主成分とする液晶を厚
さが20μ亀になるようにエポキシ系接着剤を用いて封
止した。Next, a mixture of indium oxide and tin oxide is formed on a predetermined part of the treated surface of this film to a thickness of 400 mm by sputtering to form a transparent electrode. -(P-Methoxybenzylidene) A liquid crystal containing P/-butylaniline as a main component was sealed using an epoxy adhesive to a thickness of 20 μm.
その後、一方の透明フィルム上に直交偏光板(厚さ10
0μ畷)およびガラス板(厚さ500μ亀)ヲ、他方の
透明フィルム上に直交偏光板(厚さ100声亀)および
アルミ箔製反射板(厚さ5Q11m >を各々同構造の
液晶表示装置を得た。Then, place an orthogonal polarizing plate (thickness 10
A liquid crystal display device with the same structure was placed on a glass plate (500 μm thick) and a glass plate (500 μm thick), and an orthogonal polarizing plate (100 μm thick) and an aluminum foil reflector (5×11 m thick) on the other transparent film. Obtained.
この液晶表示装置の透明電極間に4〜81ルトの電圧を
印加したところ、電圧に応じて黄色〜緑色までのカラー
表示ができた。When a voltage of 4 to 81 volts was applied between the transparent electrodes of this liquid crystal display device, color display ranging from yellow to green was achieved depending on the voltage.
比較のため、高周波スパッタエツチング処理を施してな
い37ツ化塩化エチレン製透明フイルムを用−る以外は
全て上記と同様にして得た液晶表示装置に対し、4〜8
vの電圧を印加し念ところ、色調変化は認められず白黒
色の表示しかできなかった。For comparison, 4 to 8
When a voltage of V was applied, no change in color tone was observed and only black and white color display was possible.
)4、図面の簡単な説明
第1図は本発明に係る液晶表示装置の実例を示す断面図
、第り図轄第1図に示す液晶表示装置の要部拡大断面図
である。) 4. Brief Description of the Drawings FIG. 1 is a cross-sectional view showing an example of a liquid crystal display device according to the present invention.
1.1′・・・偏光板
2.2′・・・透明プラスチックフィルム 3・・・m
A7.7’−・・針状突起
特許出願人 日東電気工業株式会社
代表者 土方三部1.1'...Polarizing plate 2.2'...Transparent plastic film 3...m
A7.7'--Acicular projection patent applicant Nitto Electric Industry Co., Ltd. Representative Hijikata Sanbe
Claims (1)
の針状突起が形成され之這明プラスチックフィルム2牧
が、互にその高周波スパッタエツチング処理園が向禽合
うように配置され、これらフィルム間に液晶が封入され
、更に前記透明プラスチックフィルムの他面上に偏光板
が配置されてpることを特徴とする液晶表示装置。One side of the plastic film was etched with high-quality camphor to form fine needle-like protrusions, and two sheets of plastic film were placed so that the high-frequency sputter etching areas faced each other. A liquid crystal display device characterized in that a liquid crystal is sealed between the transparent plastic films and a polarizing plate is disposed on the other surface of the transparent plastic film.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP57024972A JPS58142315A (en) | 1982-02-17 | 1982-02-17 | Liquid crystal display device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP57024972A JPS58142315A (en) | 1982-02-17 | 1982-02-17 | Liquid crystal display device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS58142315A true JPS58142315A (en) | 1983-08-24 |
Family
ID=12152880
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP57024972A Pending JPS58142315A (en) | 1982-02-17 | 1982-02-17 | Liquid crystal display device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS58142315A (en) |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5215677A (en) * | 1985-09-27 | 1993-06-01 | Sanyo Electric Co., Ltd. | Liquid crystal display device |
JPH05241161A (en) * | 1992-11-30 | 1993-09-21 | Canon Inc | Liquid crystal element |
US5519524A (en) * | 1994-07-05 | 1996-05-21 | Fergason; James L. | Active matrix liquid crystal having a counterelectrode substrate extended and connected to an external circuit |
US5532854A (en) * | 1994-01-25 | 1996-07-02 | Fergason; James L. | Folded variable birefringerence zeroth order hybrid aligned liquid crystal apparatus |
US5541745A (en) * | 1994-01-25 | 1996-07-30 | Fergason; James L. | Illumination system for a display using cholesteric liquid crystal reflectors |
US5717422A (en) * | 1994-01-25 | 1998-02-10 | Fergason; James L. | Variable intensity high contrast passive display |
US7352347B2 (en) | 1994-10-25 | 2008-04-01 | Fergason Patent Properties, Llc | Optical display system and method, active and passive dithering using birefringence, color image superpositioning and display enhancement with phase coordinated polarization switching |
JP2008240562A (en) * | 2007-03-26 | 2008-10-09 | Honda Motor Co Ltd | Vehicular power unit cooling structure |
JP2009019582A (en) * | 2007-07-12 | 2009-01-29 | Honda Motor Co Ltd | Radiator system for small-vehicle |
US9847073B2 (en) | 2003-03-10 | 2017-12-19 | Fergason Licensing Llc | Apparatus and method for preparing, storing, transmitting and displaying images |
-
1982
- 1982-02-17 JP JP57024972A patent/JPS58142315A/en active Pending
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5215677A (en) * | 1985-09-27 | 1993-06-01 | Sanyo Electric Co., Ltd. | Liquid crystal display device |
JPH05241161A (en) * | 1992-11-30 | 1993-09-21 | Canon Inc | Liquid crystal element |
US5532854A (en) * | 1994-01-25 | 1996-07-02 | Fergason; James L. | Folded variable birefringerence zeroth order hybrid aligned liquid crystal apparatus |
US5541745A (en) * | 1994-01-25 | 1996-07-30 | Fergason; James L. | Illumination system for a display using cholesteric liquid crystal reflectors |
US5717422A (en) * | 1994-01-25 | 1998-02-10 | Fergason; James L. | Variable intensity high contrast passive display |
US5519524A (en) * | 1994-07-05 | 1996-05-21 | Fergason; James L. | Active matrix liquid crystal having a counterelectrode substrate extended and connected to an external circuit |
US7352347B2 (en) | 1994-10-25 | 2008-04-01 | Fergason Patent Properties, Llc | Optical display system and method, active and passive dithering using birefringence, color image superpositioning and display enhancement with phase coordinated polarization switching |
US7843417B2 (en) | 1994-10-25 | 2010-11-30 | Fergason Patent Properties, Llc | Optical display system and method, active and passive dithering using birefringence, color image superpositioning and display enhancement with phase coordinated polarization switching |
US7843416B2 (en) | 1994-10-25 | 2010-11-30 | Fergason Patent Properties, Llc | Optical display system and method, active and passive dithering using birefringence, color image superpositioning and display enhancement with phase coordinated polarization switching |
US7843418B2 (en) | 1994-10-25 | 2010-11-30 | Fergason Patent Properties, Llc | Optical display system and method, active and passive dithering using birefringence, color image superpositioning and display enhancement with phase coordinated polarization switching |
US9847073B2 (en) | 2003-03-10 | 2017-12-19 | Fergason Licensing Llc | Apparatus and method for preparing, storing, transmitting and displaying images |
US9881588B2 (en) | 2003-03-10 | 2018-01-30 | Fergason Licensing Llc | Apparatus and method for preparing, storing, transmitting and displaying images |
JP2008240562A (en) * | 2007-03-26 | 2008-10-09 | Honda Motor Co Ltd | Vehicular power unit cooling structure |
JP2009019582A (en) * | 2007-07-12 | 2009-01-29 | Honda Motor Co Ltd | Radiator system for small-vehicle |
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