JPS5811920A - Liquid crystal display device - Google Patents
Liquid crystal display deviceInfo
- Publication number
- JPS5811920A JPS5811920A JP11036881A JP11036881A JPS5811920A JP S5811920 A JPS5811920 A JP S5811920A JP 11036881 A JP11036881 A JP 11036881A JP 11036881 A JP11036881 A JP 11036881A JP S5811920 A JPS5811920 A JP S5811920A
- Authority
- JP
- Japan
- Prior art keywords
- liquid crystal
- type liquid
- crystal cell
- cell
- light
- 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
- G02F1/1347—Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells
- G02F1/13475—Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells in which at least one liquid crystal cell or layer is doped with a pleochroic dye, e.g. GH-LC cell
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (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】 本発明は多色表示可能な液晶表示器に関する。[Detailed description of the invention] The present invention relates to a liquid crystal display capable of displaying multiple colors.
従来から色表示可能な各種の液晶表示器が考えられ、カ
ラー表示用のディスジ１／イ等に利用されている。2. Description of the Related Art Various types of liquid crystal displays capable of color display have been considered and are used in color display devices such as display devices.
例えば、ツィステッド・ネマチック液晶（以下、ＴＮ型
液晶と伝う）セルとカラー偏光板を組み合わせで成る液
晶表示器やダスト−ホスト液晶（以下、Ｇ−Ｈ型液晶と
伝う）を用いて成る液晶表示・４
器が知られている。For example, there are liquid crystal displays that combine twisted nematic liquid crystal (hereinafter referred to as TN type liquid crystal) cells and color polarizing plates, and liquid crystal displays that use dust-host liquid crystal (hereinafter referred to as GH type liquid crystal) cells. 4 vessels are known.
しかし、前者は用いるカラー偏光板によって表示色が唯
一つに決定され、又後者も用いる染料分子によって表示
色が唯一つに決定されるため、これらの液晶表示器を用
いて例えば大形のデイスデＩ／イを構成した場合には所
望するカラー画像を得ることが困難であった。However, the display color of the former is uniquely determined by the color polarizing plate used, and the display color of the latter is uniquely determined by the dye molecules used. /B, it was difficult to obtain a desired color image.
本発明は上記した点に鑑みてなされたもので。The present invention has been made in view of the above points.
所望するカラー画像を得るのに好適な多色表示の可能な
液晶表示器を提供することを目的とする。It is an object of the present invention to provide a liquid crystal display capable of displaying multiple colors suitable for obtaining a desired color image.
以下、本発明の一実施例を図面を参照して説明する。Hereinafter, one embodiment of the present invention will be described with reference to the drawings.
第１図及び第２図には本発明に係る液晶表示器が示され
ている。即ち、この液晶表示器は、ＴＮ型液晶セル４と
Ｇ −Ｈ型液晶セル３とを積層して成る本体と、前記Ｔ
Ｎ型液晶セル４の非積層面に取付けられているカラー偏
光板５と、前記Ｇ−Ｈ型液晶セル３の非積層面に取付け
られている拡散板２とから構成されている。1 and 2 show a liquid crystal display according to the present invention. That is, this liquid crystal display has a main body formed by laminating a TN type liquid crystal cell 4 and a G-H type liquid crystal cell 3, and
It consists of a color polarizing plate 5 attached to the non-laminated surface of the N-type liquid crystal cell 4 and a diffusion plate 2 attached to the non-laminated surface of the G-H type liquid crystal cell 3.
上記カラー偏光板５は、ＴＮ型液晶セル４に電圧を印加
しない状態で該セル４により９０’施光されてくる偏光
とその透過軸が一致し、前記セル４に電圧を印加した状
態で該セル４を直進してくる偏光と吸収軸が一致するよ
うに前記セル４の非積層面に取付けられている。従って
、上記セル４に電圧を印加した状態で該セル４を直進し
てくる偏光はカラー偏光板５により着色光となる。そし
て本実施例ではグリーン表示用のカラー偏光板が用いら
れているので、グリーンの着色光が得られる。In the color polarizing plate 5, the transmission axis of the TN type liquid crystal cell 4 coincides with the polarized light applied by the cell 4 by 90' when no voltage is applied to the cell 4, and when the cell 4 is applied with a voltage, the polarized light is It is attached to the non-laminated surface of the cell 4 so that the polarized light traveling straight through the cell 4 and the absorption axis coincide with each other. Therefore, the polarized light traveling straight through the cell 4 while a voltage is applied to the cell 4 becomes colored light by the color polarizing plate 5. In this embodiment, since a color polarizing plate for displaying green is used, green colored light can be obtained.
壕だ、上記Ｇ−Ｈ型液晶セル３にネマチック型であり、
本実施例では赤色表示の染料分子が液晶中に添加されて
いる。従って、上記Ｇ−Ｈ型液晶セル３に電圧を印加し
ない状態では該セル３の透過光は赤色光となシ、電圧を
印加した状態では白色光と彦る。It is a nematic type in the G-H type liquid crystal cell 3 mentioned above,
In this embodiment, dye molecules for red display are added to the liquid crystal. Therefore, when no voltage is applied to the G-H type liquid crystal cell 3, the light transmitted through the cell 3 becomes red light, but when a voltage is applied, it becomes white light.
次に上記構成の液晶表示器のカラー表示動作について説
、明する。即ち、第１図に基づいて説明すると、先ず光
源ｌから出た光は拡散板２を透過し直線偏光としてＧ−
Ｈ型液晶セル３に到達する。Next, the color display operation of the liquid crystal display having the above configuration will be explained and explained. That is, to explain based on FIG. 1, first, light emitted from the light source 1 passes through the diffuser plate 2 and becomes G- as linearly polarized light.
It reaches the H type liquid crystal cell 3.
従って、このＧ−Ｈ型液晶セル３に電圧が印加されてい
ない場合においては、上記直線偏光が上記セル３の染料
分子により特定の波長が吸収されるためこの波長を取り
除いた赤色の着色光が得られる。Therefore, when no voltage is applied to this G-H type liquid crystal cell 3, a specific wavelength of the linearly polarized light is absorbed by the dye molecules of the cell 3, so red colored light from which this wavelength is removed is produced. can get.
この赤色光は次のＴＮ型液晶セル４に入射するが。This red light enters the next TN type liquid crystal cell 4.
該セル４に電圧が印加されていない場合においてば、該
セル４の液晶によＱ９０°施光されて該セル４を通過し
、カラー偏光板５にその透過軸と一致した状態で達する
ので該偏光板５をそのま−１：透過し、払・局赤色表示
元が得られる。一方、ＴＮ型液晶セル４に電圧を印加し
た場合ｆおいてに、上記赤色光ぼセル４の液晶の旋光性
が消失していることから該セル４をその！、ま通過し、
カラー偏光板５にその吸収軸と一致した状態で到達する
ので赤」−グリーンの着色光が得られる。When no voltage is applied to the cell 4, the light is applied at Q90° by the liquid crystal of the cell 4, passes through the cell 4, and reaches the color polarizing plate 5 in a state aligned with its transmission axis. The light passes through the polarizing plate 5 as it is, and a clear and local red display source is obtained. On the other hand, when a voltage is applied to the TN type liquid crystal cell 4, the optical rotation of the liquid crystal of the red light cell 4 disappears at f, so that the cell 4 is , passed,
Since the light reaches the color polarizing plate 5 with its absorption axis aligned, colored light of red and green is obtained.
才だ、上記Ｇ−）（型液晶セル３に電圧を印加した場合
においては、上記光源ｌからのＶｔ線偏光は白色光とし
て上記セル３をそのまま透過し、上記ＴＮ型液晶セル４
に入射する。従って、ＴＮ型液晶セル４に雷、圧を印加
しない場合には上記直線偏光ｕＢセル４の液晶により９
０°施光されて該セル４を通過し、カラー偏光板５にそ
の透過軸と一致した状態で達しそのま゛ま該偏光板５を
透過するので結局白色光が得られる。ぞして′、上記Ｔ
Ｎ型液晶セル４に電圧を印加した場合には上記直線偏光
はセル４をそのま１通過し、カラー偏光板５にぞの吸収
軸と一致した状態で到達するのでグリーンの着色光が得
られる。When a voltage is applied to the G- type liquid crystal cell 3, the Vt line polarized light from the light source 1 passes through the cell 3 as white light, and the TN type liquid crystal cell 4
incident on . Therefore, when lightning or pressure is not applied to the TN type liquid crystal cell 4, the liquid crystal of the linearly polarized uB cell 4
The light is applied at 0°, passes through the cell 4, reaches the color polarizing plate 5 with its transmission axis aligned with the polarizing plate 5, and is transmitted through the polarizing plate 5 as it is, resulting in white light. Therefore, the above T
When a voltage is applied to the N-type liquid crystal cell 4, the linearly polarized light passes through the cell 4 as it is and reaches the color polarizing plate 5 in a state aligned with its absorption axis, so that green colored light is obtained. .
以上の説明から明らかなように本発明によれば、ＴＮ型
液晶セルとＧ−Ｈ型液晶セルとを積層して液晶表示器を
構成したので、各液晶セル内の液晶の配列方向を制御す
ることにより一つの液晶表示器にて４色のカラー表示を
行うことができ、従って所望するカラー画像を得ること
ができ、その実用的及び工業的利用価値は大きい。As is clear from the above description, according to the present invention, since a liquid crystal display is constructed by stacking a TN type liquid crystal cell and a GH type liquid crystal cell, the alignment direction of the liquid crystal in each liquid crystal cell can be controlled. As a result, four colors can be displayed on one liquid crystal display, and a desired color image can therefore be obtained, which has great practical and industrial utility value.
第１図は本発明に係る液晶表示器の動作説明図、第２図
は本発明に係る液晶表示器の斜視図である。
ｌ・・・光源、２・・・拡散板、３・・・Ｇ−Ｈ型液晶
セル。
４・・・ＴＮ型液晶セル、５・・・カラー偏光板。
尚１図中同一符号は同一部分を示す。
代理人 葛 野 信 −
第１図
第２図FIG. 1 is an explanatory diagram of the operation of a liquid crystal display according to the present invention, and FIG. 2 is a perspective view of the liquid crystal display according to the present invention. 1...Light source, 2...Diffusion plate, 3...G-H type liquid crystal cell. 4... TN type liquid crystal cell, 5... Color polarizing plate. Note that the same reference numerals in Figure 1 indicate the same parts. Agent Shin Kuzuno - Figure 1 Figure 2
Claims (1)
体を備える液晶表示器。A liquid crystal display device comprising a main body formed by stacking a TN type liquid crystal cell and a GH type liquid crystal cell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11036881A JPS5811920A (en) | 1981-07-15 | 1981-07-15 | Liquid crystal display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11036881A JPS5811920A (en) | 1981-07-15 | 1981-07-15 | Liquid crystal display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5811920A true JPS5811920A (en) | 1983-01-22 |
Family
ID=14534016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11036881A Pending JPS5811920A (en) | 1981-07-15 | 1981-07-15 | Liquid crystal display device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5811920A (en) |
-
1981
- 1981-07-15 JP JP11036881A patent/JPS5811920A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS6229781B2 (en) | ||
| EP0157523A3 (en) | Field sequential liquid crystal display with enhanced brightness | |
| JPS6029091B2 (en) | liquid crystal display device | |
| JPS63168626A (en) | Liquid crystal display body | |
| JPS5811920A (en) | Liquid crystal display device | |
| JPS5459957A (en) | Liquid crystal display panel for televisions | |
| JPS62191829A (en) | Color selectable liquid crystal display system | |
| JPS5674222A (en) | Liquid crystal color display device | |
| JPH11167106A (en) | Display device and electronic equipment using display device | |
| JPS63144326A (en) | Color liquid crystal display device | |
| JPH0567934B2 (en) | ||
| JPS6156325A (en) | Liquid crystal color image display device | |
| JPS6444417A (en) | Liquid crystal display device | |
| JPS63264731A (en) | Color liquid crystal display device | |
| JPS5831184Y2 (en) | multicolor display device | |
| JPS61100725A (en) | Liquid crystal display device | |
| JP3289419B2 (en) | Color liquid crystal display | |
| JPH0425728Y2 (en) | ||
| JPH0253030A (en) | Projection type color display device | |
| JPS61179417A (en) | Liquid-crystal display device | |
| JPH0219830A (en) | Liquid crystal display element | |
| JPS5911882B2 (en) | LCD color display device | |
| JP2001083502A (en) | Display device and electronic instrument using the same | |
| JPS57138620A (en) | Liquid crystal display element | |
| JPH1010566A (en) | Color liquid crystal display device |