JPS6438886U - - Google Patents
Info
- Publication number
- JPS6438886U JPS6438886U JP13435287U JP13435287U JPS6438886U JP S6438886 U JPS6438886 U JP S6438886U JP 13435287 U JP13435287 U JP 13435287U JP 13435287 U JP13435287 U JP 13435287U JP S6438886 U JPS6438886 U JP S6438886U
- Authority
- JP
- Japan
- Prior art keywords
- liquid crystal
- crystal display
- display element
- transmissive liquid
- 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
- 239000004973 liquid crystal related substance Substances 0.000 claims description 5
- 230000001678 irradiating effect Effects 0.000 claims 1
Description
第１図はこの考案の一実施例を示す縦断側面図
、第２図はそのスクリーンの変形例を示す縦断側
面図、第３図は従来例を示す縦断側面図である。
１……光源、３……透過型液晶表示素子、５…
…フレネル反射板（反射板）、１１……偏光板、
１２……偏光機能付き反射型スクリーン（偏光ス
クリーン）、１３……偏光機能付き透過型スクリ
ーン（偏光スクリーン）。
FIG. 1 is a vertical side view showing an embodiment of this invention, FIG. 2 is a vertical side view showing a modified example of the screen, and FIG. 3 is a vertical side view showing a conventional example. 1... Light source, 3... Transmissive liquid crystal display element, 5...
...Fresnel reflector (reflector), 11...polarizing plate,
12... Reflective screen with polarizing function (polarizing screen), 13... Transmissive screen with polarizing function (polarizing screen).
Claims (1)
、その透過光を反射板により反射させ、その反射
光を再び前記透過型液晶表示素子に透過させるこ
とにより、その透過光をスクリーンに照射して文
字や図形を拡大投影する反射型拡大投影装置にお
いて、前記透過型液晶表示素子と前記反射板との
間に偏光板を設け、前記スクリーンを前記透過型
液晶表示素子からの透過光を偏光させる偏光スク
リーンとしたことを特徴とする反射型拡大投影装
置。 Light from a light source is incident on a transmissive liquid crystal display element, the transmitted light is reflected by a reflector, and the reflected light is transmitted through the transmissive liquid crystal display element again, thereby irradiating the screen with the transmitted light. In a reflective magnifying projection device for enlarging and projecting characters and figures, a polarizing plate is provided between the transmissive liquid crystal display element and the reflecting plate, and the screen polarizes the transmitted light from the transmissive liquid crystal display element. A reflective magnifying projection device characterized by a polarizing screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13435287U JPS6438886U (en) | 1987-09-02 | 1987-09-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13435287U JPS6438886U (en) | 1987-09-02 | 1987-09-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6438886U true JPS6438886U (en) | 1989-03-08 |
Family
ID=31393033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13435287U Pending JPS6438886U (en) | 1987-09-02 | 1987-09-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6438886U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06230477A (en) * | 1992-12-29 | 1994-08-19 | Arisawa Mfg Co Ltd | Screen for rear type liquid crystal projector |
-
1987
- 1987-09-02 JP JP13435287U patent/JPS6438886U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06230477A (en) * | 1992-12-29 | 1994-08-19 | Arisawa Mfg Co Ltd | Screen for rear type liquid crystal projector |
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