JPH06269017A - Liquid crystal color display device - Google Patents
Liquid crystal color display deviceInfo
- Publication number
- JPH06269017A JPH06269017A JP5091768A JP9176893A JPH06269017A JP H06269017 A JPH06269017 A JP H06269017A JP 5091768 A JP5091768 A JP 5091768A JP 9176893 A JP9176893 A JP 9176893A JP H06269017 A JPH06269017 A JP H06269017A
- Authority
- JP
- Japan
- Prior art keywords
- liquid crystal
- color
- green
- display device
- speed mode
- 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.)
- Withdrawn
Links
- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 25
- 239000003086 colorant Substances 0.000 claims description 2
- 206010047571 Visual impairment Diseases 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 4
- 238000002834 transmittance Methods 0.000 description 2
- 238000000034 method Methods 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
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133621—Illuminating devices providing coloured light
- G02F1/133622—Colour sequential illumination
Landscapes
- Liquid Crystal Display Device Control (AREA)
- Video Image Reproduction Devices For Color Tv Systems (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、モノクローム液晶パネ
ルを使用したカラー表示装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a color display device using a monochrome liquid crystal panel.
【０００２】[0002]
【従来の技術】従来、液晶パネルを使用したカラー表示
装置は種々考案され、且つ使用されている。即ち、図２
はその実施例であってスキャンコンバーター１，モノク
ローム陰極線管４及び液晶カラーシャッター５で構成さ
れており、本来の映像信号をスキャンコンバーター１で
３倍速モード（赤、青、及び緑の映像信号成分を時系列
に並べる）に変換してモノクローム陰極線管４を駆動す
る。そして、モノクローム陰極線管４の画像を液晶カラ
ーシャッター５を通して視るが、液晶カラーシャッター
５は該３倍速モードのタイミングに合わせて順次切り替
わっていくので目の残像特性によってカラー画像を視る
ことができる。2. Description of the Related Art Conventionally, various color display devices using liquid crystal panels have been devised and used. That is, FIG.
Is an embodiment thereof, which is composed of a scan converter 1, a monochrome cathode ray tube 4 and a liquid crystal color shutter 5, and an original video signal is converted by a scan converter 1 into a triple speed mode (video signal components of red, blue and green are generated). (Arranged in time series) to drive the monochrome cathode ray tube 4. Then, the image of the monochrome cathode ray tube 4 is viewed through the liquid crystal color shutter 5, but the liquid crystal color shutter 5 is sequentially switched in accordance with the timing of the triple speed mode, so that the color image can be viewed by the afterimage characteristic of the eyes. .
【０００３】図３は他の実施例であって、液晶パネル８
からの赤、緑及び青の各単色映像信号をミラー６及び３
色のフィルター（７ａ，７ｂ，７ｃ）を使って合成し、
カラー画像を得る。FIG. 3 shows another embodiment, which is a liquid crystal panel 8.
The red, green and blue monochromatic video signals from the mirrors 6 and 3
Combine using color filters (7a, 7b, 7c),
Get a color image.
【０００４】[0004]
【発明が解決しようとする課題】しかしながら、前記例
の方式は光の透過率が低く（２〜３％）且つ高解像度画
像が得にくい、小型軽量化が難しい等の不具合がある。However, the method of the above example has drawbacks such as low light transmittance (2 to 3%), difficulty in obtaining a high-resolution image, and difficulty in reduction in size and weight.
【０００５】[0005]
【課題を解決するための手段】本発明は上記の不具合を
解決するために液晶パネルのバックライト光源（赤、緑
及び青）を３倍速モードの画像のタイミングに合わせて
順次切り替えてカラー画像を得る。In order to solve the above problems, the present invention sequentially switches the backlight light sources (red, green and blue) of the liquid crystal panel in accordance with the image timing of the triple speed mode to form a color image. obtain.
【０００６】[0006]
【実施例】図１は本発明になる液晶カラー表示装置のブ
ロック図であり、本来のカラー映像信号をスキャンコン
バーター１で３倍速モード（赤、緑及び青の映像信号成
分を時系列に並べる）に変換してモノクローム液晶パネ
ル３を駆動する。そして、モノクローム液晶パネル３の
背面に設置したバックライト光源３の色（赤、緑及び
青）を３倍速モードの映像信号のタイミングに合わせて
順次切り替え、目の残像特性を利用して疑似的にカラー
映像を得る。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 is a block diagram of a liquid crystal color display device according to the present invention, in which an original color video signal is scanned by a scan converter 1 in a triple speed mode (red, green and blue video signal components are arranged in time series). To drive the monochrome liquid crystal panel 3. Then, the colors (red, green, and blue) of the backlight light source 3 installed on the back surface of the monochrome liquid crystal panel 3 are sequentially switched in accordance with the timing of the video signal in the triple speed mode, and the afterimage characteristics of the eyes are used to simulate. Get a color image.
【０００７】[0007]
【発明の効果】以上、説明した如く本発明になる液晶カ
ラー表示装置は１枚のモノクローム液晶パネルを使用し
てカラー画像を得る方式のため、透過率が高い（２０％
以上）、高解像度表示が可能、小型軽量化ができる等の
メリットがある。As described above, the liquid crystal color display device according to the present invention has a high transmittance (20%) because it uses a single monochrome liquid crystal panel to obtain a color image.
As described above, there are advantages such as high resolution display and reduction in size and weight.
【図１】本発明になる液晶カラー表示装置のブロック図
である。FIG. 1 is a block diagram of a liquid crystal color display device according to the present invention.
【図２】従来の液晶カラー表示装置のブロック図であ
る。FIG. 2 is a block diagram of a conventional liquid crystal color display device.
【図３】従来の液晶カラー表示装置の他例のブロック図
である。FIG. 3 is a block diagram of another example of a conventional liquid crystal color display device.
１ スキャンコンバーター ２ バッックライト光源 ３ モノクローム液晶パネル ４ 陰極線管 ５ 液晶カラーシャッター ６ ミラー ７ａ 赤フィルター ７ｂ 緑フィルター ７ｃ 青フィルター ８ 液晶パネル 1 scan converter 2 back light source 3 monochrome liquid crystal panel 4 cathode ray tube 5 liquid crystal color shutter 6 mirror 7a red filter 7b green filter 7c blue filter 8 liquid crystal panel
Claims (1)
おいて、１枚のモノクローム液晶パネルに３倍速モード
に変換した映像信号を入力し、該３倍速モードのタイミ
ングに合わせて該液晶パネルの背面に設置したバックラ
イト光源の色（赤、青、及び緑）を順次変化させてカラ
ー映像を得る液晶カラー表示装置。1. A color display device using a liquid crystal panel, wherein a video signal converted into a 3 × speed mode is input to one monochrome liquid crystal panel and installed on the back surface of the liquid crystal panel in accordance with the timing of the 3 × speed mode. Liquid crystal color display device that obtains a color image by sequentially changing the colors (red, blue, and green) of the backlight light source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5091768A JPH06269017A (en) | 1993-03-15 | 1993-03-15 | Liquid crystal color display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5091768A JPH06269017A (en) | 1993-03-15 | 1993-03-15 | Liquid crystal color display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH06269017A true JPH06269017A (en) | 1994-09-22 |
Family
ID=14035751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5091768A Withdrawn JPH06269017A (en) | 1993-03-15 | 1993-03-15 | Liquid crystal color display device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH06269017A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060089792A1 (en) * | 2004-10-25 | 2006-04-27 | Udi Manber | System and method for displaying location-specific images on a mobile device |
| CN102005201A (en) * | 2010-12-07 | 2011-04-06 | 深圳市巨潮科技有限公司 | Display method, display circuit and display device supporting colored and single-color display |
-
1993
- 1993-03-15 JP JP5091768A patent/JPH06269017A/en not_active Withdrawn
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060089792A1 (en) * | 2004-10-25 | 2006-04-27 | Udi Manber | System and method for displaying location-specific images on a mobile device |
| US8150617B2 (en) * | 2004-10-25 | 2012-04-03 | A9.Com, Inc. | System and method for displaying location-specific images on a mobile device |
| US8473200B1 (en) | 2004-10-25 | 2013-06-25 | A9.com | Displaying location-specific images on a mobile device |
| US9148753B2 (en) | 2004-10-25 | 2015-09-29 | A9.Com, Inc. | Displaying location-specific images on a mobile device |
| US9386413B2 (en) | 2004-10-25 | 2016-07-05 | A9.Com, Inc. | Displaying location-specific images on a mobile device |
| US9852462B2 (en) | 2004-10-25 | 2017-12-26 | A9.Com, Inc. | Displaying location-specific images on a mobile device |
| CN102005201A (en) * | 2010-12-07 | 2011-04-06 | 深圳市巨潮科技有限公司 | Display method, display circuit and display device supporting colored and single-color display |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A300 | Withdrawal of application because of no request for examination |
Free format text: JAPANESE INTERMEDIATE CODE: A300 Effective date: 20000530 |