JPH044483U - - Google Patents
Info
- Publication number
- JPH044483U JPH044483U JP4330990U JP4330990U JPH044483U JP H044483 U JPH044483 U JP H044483U JP 4330990 U JP4330990 U JP 4330990U JP 4330990 U JP4330990 U JP 4330990U JP H044483 U JPH044483 U JP H044483U
- Authority
- JP
- Japan
- Prior art keywords
- liquid crystal
- type liquid
- color
- dichroic mirror
- tft
- 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
- 239000004973 liquid crystal related substance Substances 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims description 2
- 238000003786 synthesis reaction Methods 0.000 claims description 2
- 238000005070 sampling Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Video Image Reproduction Devices For Color Tv Systems (AREA)
Description
第１図は、本考案の一実施例を示す回路図、第
２図は、従来のカラー液晶投写型表示装置の説明
に供するための特性図、第３図ａ乃至ｃは、第１
図の説明に供するための特性図、及び第４図は第
１図のＸ・Ｙ駆動回路２８の具体例を示す回路図
である。
９，１０……色分解用のダイクロイツクミラー
、１１乃至１３……色通過及び反射用のダイクロ
イツクミラー、１７乃至２１……色合成用のダイ
クロイツクミラー。
FIG. 1 is a circuit diagram showing one embodiment of the present invention, FIG. 2 is a characteristic diagram for explaining a conventional color liquid crystal projection display device, and FIGS.
A characteristic diagram for explaining the figures and FIG. 4 is a circuit diagram showing a specific example of the X/Y drive circuit 28 in FIG. 1. 9, 10... Dichroic mirrors for color separation, 11 to 13... Dichroic mirrors for color passing and reflection, 17 to 21... Dichroic mirrors for color synthesis.
Claims (1)
色分解用のダイクロイツクミラーと、 分解された前記各波長成分を通過及び反射させ
る通過及び反射用のダイクロイツクミラーと、 該通過及び反射用のダイクロイツクミラーの２
つの出力光を各々映像信号に応じて変調するＴＦ
Ｔ型液晶パネルと、 該ＴＦＴ型液晶パネルの出力光を合成する色合
成用のダイクロイツクミラーとを備え、前記ＴＦ
Ｔ型液晶パネルの出力光をスクリーン上で互いに
ずらせて合成するとともに、前記ＴＦＴ型液晶パ
ネルは、同色の映像信号を取り込むサンプリング
タイムが互いに１画素分ずれ、更に前記ＴＦＴ型
液晶パネルは画素と枠が等間隔に交互に配置され
、互いの画素と枠がスクリーン上で重なつて投射
されるようにしたことを特徴とするカラー液晶投
写型表示装置。[Claims for Utility Model Registration] A dichroic mirror for color separation that separates white light from a light source into three wavelength components, and a dichroic mirror for passing and reflecting that passes and reflects each of the separated wavelength components. and 2 of the dichroic mirrors for passing and reflecting.
TF that modulates each output light according to the video signal
It comprises a T-type liquid crystal panel and a dichroic mirror for color synthesis that combines the output light of the TFT-type liquid crystal panel,
The output lights of the T-type liquid crystal panels are shifted from each other on the screen and synthesized, and the sampling times of the TFT-type liquid crystal panels for capturing video signals of the same color are shifted by one pixel from each other. A color liquid crystal projection display device characterized in that pixels and frames are arranged alternately at equal intervals so that each pixel and frame are projected onto a screen so that they overlap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4330990U JPH044483U (en) | 1990-04-23 | 1990-04-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4330990U JPH044483U (en) | 1990-04-23 | 1990-04-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH044483U true JPH044483U (en) | 1992-01-16 |
Family
ID=31555616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4330990U Pending JPH044483U (en) | 1990-04-23 | 1990-04-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH044483U (en) |
-
1990
- 1990-04-23 JP JP4330990U patent/JPH044483U/ja active Pending
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