JPS63141922U - - Google Patents
Info
- Publication number
- JPS63141922U JPS63141922U JP3490087U JP3490087U JPS63141922U JP S63141922 U JPS63141922 U JP S63141922U JP 3490087 U JP3490087 U JP 3490087U JP 3490087 U JP3490087 U JP 3490087U JP S63141922 U JPS63141922 U JP S63141922U
- Authority
- JP
- Japan
- Prior art keywords
- liquid crystal
- transparent support
- support plate
- crystal cell
- transparent
- 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 11
- 210000002858 crystal cell Anatomy 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 description 4
Landscapes
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Holders For Sensitive Materials And Originals (AREA)
- Overhead Projectors And Projection Screens (AREA)
Description
第１図はこの考案の一実施例を示す透過型液晶
セル部分の断面図、第２図は透過型液晶セル構造
を示す断面図、第３図は従来例を示す透過型液晶
セルの断面図である。
１……透過型液晶セル、２……液晶、３，４…
…透明支持板、６，７……透明電極、１１……反
射像。
Fig. 1 is a sectional view of a transmission type liquid crystal cell portion showing an embodiment of this invention, Fig. 2 is a sectional view showing a transmission type liquid crystal cell structure, and Fig. 3 is a sectional view of a transmission type liquid crystal cell showing a conventional example. It is. 1... Transmission type liquid crystal cell, 2... Liquid crystal, 3, 4...
...Transparent support plate, 6, 7...Transparent electrode, 11...Reflected image.
Claims (1)
持板で液晶を挾み、文字や図形などの画像情報に
応じて前記透明電極に対する電圧印加を制御して
液晶に透光性又は遮光性を持たせる透過型液晶セ
ルを原稿設置面又は原稿設置面内に配置させ、こ
の透過型液晶セルに対して一方の透明支持板側か
ら光を照射してこの透過型液晶セルを透過させた
後、他方の透明支持板の下面により反射させ、こ
の反射像を拡大表示に供する反射型拡大投影機に
おいて、前記液晶セルの少なくとも一方の前記透
明支持板の厚さを０．５mm以下としたことを特徴
とする反射型拡大投影機。 A liquid crystal is sandwiched between two transparent support plates each having a transparent electrode formed on the inner surface, and voltage application to the transparent electrodes is controlled according to image information such as characters or figures to give the liquid crystal translucency or light-shielding properties. A transmissive liquid crystal cell to be held is placed on the original placement surface or within the original placement surface, and light is irradiated onto the transmissive liquid crystal cell from one transparent support plate side and transmitted through the transmissive liquid crystal cell, and then A reflection type magnifying projector that reflects the reflected image from the lower surface of the other transparent support plate and displays the reflected image in an enlarged manner, characterized in that the thickness of the transparent support plate of at least one of the liquid crystal cells is 0.5 mm or less. Reflective magnifying projector.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3490087U JPS63141922U (en) | 1987-03-10 | 1987-03-10 | |
| 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 |
|---|---|---|---|
| JP3490087U JPS63141922U (en) | 1987-03-10 | 1987-03-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63141922U true JPS63141922U (en) | 1988-09-19 |
Family
ID=30843887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3490087U Pending JPS63141922U (en) | 1986-09-03 | 1987-03-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63141922U (en) |
-
1987
- 1987-03-10 JP JP3490087U patent/JPS63141922U/ja active Pending