JPH046037U - - Google Patents
Info
- Publication number
- JPH046037U JPH046037U JP4601790U JP4601790U JPH046037U JP H046037 U JPH046037 U JP H046037U JP 4601790 U JP4601790 U JP 4601790U JP 4601790 U JP4601790 U JP 4601790U JP H046037 U JPH046037 U JP H046037U
- Authority
- JP
- Japan
- Prior art keywords
- light
- component light
- projection device
- liquid crystal
- crystal panel
- 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 3
- 230000004907 flux Effects 0.000 claims 1
- 230000001678 irradiating effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 1
Landscapes
- Video Image Reproduction Devices For Color Tv Systems (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Description
第１図は本考案にかかる投射装置の一実施例を
説明するための図であつて、液晶プロジエクタの
光学系を説明するための模式図である。
１０……ランプ、２０ａ〜２０ｃ……全反射ミ
ラー、３０ａ〜３０ｄ……ダイクロイツクミラー
、４０Ｒ，４０Ｇ，４０Ｂ……コンデンサレンズ
、５０Ｒ，５０Ｇ，５０Ｂ……光調整用液晶パネ
ル、６０Ｒ，６０Ｇ，６０Ｂ……映像用液晶パネ
ル、ＬＲ……赤色成分光、ＬＧ……青色成分光、
ＬＢ……青色成分光。
FIG. 1 is a diagram for explaining one embodiment of a projection device according to the present invention, and is a schematic diagram for explaining an optical system of a liquid crystal projector. 10... Lamp, 20a-20c... Total reflection mirror, 30a-30d... Dichroic mirror, 40R, 40G, 40B... Condenser lens, 50R, 50G, 50B... Liquid crystal panel for light adjustment, 60R, 60G, 60B...LCD panel for video, LR...red component light, LG...blue component light,
LB...Blue component light.
Claims (1)
光を同一の面に照射してカラー画像を投影する投
射装置において、赤色成分光、青色成分光、緑色
成分光の各光学経路の途中に当該光の光束量を調
節する液晶パネルを夫々配設したことを特徴とす
る投射装置。 In a projection device that projects a color image by irradiating red component light, blue component light, and green component light from a light source onto the same surface, the corresponding A projection device characterized in that each liquid crystal panel is provided to adjust the amount of luminous flux of light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4601790U JPH046037U (en) | 1990-04-27 | 1990-04-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4601790U JPH046037U (en) | 1990-04-27 | 1990-04-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH046037U true JPH046037U (en) | 1992-01-21 |
Family
ID=31560721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4601790U Pending JPH046037U (en) | 1990-04-27 | 1990-04-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH046037U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7136035B2 (en) | 2001-12-11 | 2006-11-14 | Seiko Epson Corporation | Projection type display, a display and a drive method thereof |
-
1990
- 1990-04-27 JP JP4601790U patent/JPH046037U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7136035B2 (en) | 2001-12-11 | 2006-11-14 | Seiko Epson Corporation | Projection type display, a display and a drive method thereof |
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