JPS63150921U - - Google Patents
Info
- Publication number
- JPS63150921U JPS63150921U JP4231387U JP4231387U JPS63150921U JP S63150921 U JPS63150921 U JP S63150921U JP 4231387 U JP4231387 U JP 4231387U JP 4231387 U JP4231387 U JP 4231387U JP S63150921 U JPS63150921 U JP S63150921U
- Authority
- JP
- Japan
- Prior art keywords
- light
- liquid crystal
- projection device
- light source
- cell
- 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 4
- 230000003287 optical effect Effects 0.000 claims description 3
- 210000002858 crystal cell Anatomy 0.000 claims description 2
- 210000004027 cell Anatomy 0.000 claims 1
- 230000001678 irradiating effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Overhead Projectors And Projection Screens (AREA)
- Optical Elements Other Than Lenses (AREA)
- Liquid Crystal (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Description
第１図はこの考案の一実施例を示す光学系構成
図、第２図は従来例を示す光学系構成図である。
１…液晶セル、４…光源、６…偏光ミラー。
FIG. 1 is a block diagram of an optical system showing an embodiment of this invention, and FIG. 2 is a block diagram of an optical system showing a conventional example. 1...Liquid crystal cell, 4...Light source, 6...Polarizing mirror.
Claims (1)
して光源から光を照射して形成させた光画像を投
影レンズにより拡大投影する液晶拡大投影装置に
おいて、前記光源からの光を偏光させて前記液晶
セルに入射させる偏光ミラーを設けたことを特徴
とする液晶拡大投影装置。 In a liquid crystal enlargement projection device that uses a projection lens to enlarge and project an optical image formed by irradiating light from a light source onto a liquid crystal cell that modulates polarized light according to an image signal, the light from the light source is polarized to A liquid crystal magnifying projection device characterized by being provided with a polarizing mirror for inputting light into a cell.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4231387U JPS63150921U (en) | 1987-03-23 | 1987-03-23 | |
| US07/091,668 US4818074A (en) | 1986-09-03 | 1987-09-01 | Projection device for irradiating a light to a display device and optically magnifying and projecting a reflection light therefrom |
| GB8720627A GB2196165B (en) | 1986-09-03 | 1987-09-02 | A projection device |
| DE19873729512 DE3729512C2 (en) | 1986-09-03 | 1987-09-03 | Projection device for the representation and enlargement of images |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4231387U JPS63150921U (en) | 1987-03-23 | 1987-03-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63150921U true JPS63150921U (en) | 1988-10-04 |
Family
ID=30858108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4231387U Pending JPS63150921U (en) | 1986-09-03 | 1987-03-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63150921U (en) |
-
1987
- 1987-03-23 JP JP4231387U patent/JPS63150921U/ja active Pending