JPH021774U - - Google Patents
Info
- Publication number
- JPH021774U JPH021774U JP7922988U JP7922988U JPH021774U JP H021774 U JPH021774 U JP H021774U JP 7922988 U JP7922988 U JP 7922988U JP 7922988 U JP7922988 U JP 7922988U JP H021774 U JPH021774 U JP H021774U
- Authority
- JP
- Japan
- Prior art keywords
- liquid crystal
- light
- crystal cell
- display device
- optical system
- 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
- 210000002858 crystal cell Anatomy 0.000 claims description 5
- 239000004973 liquid crystal related substance Substances 0.000 claims description 5
- 230000003287 optical effect Effects 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 3
Description
第１図は本考案の一実施例を示す構成図、第２
図は第１図における収束レンズに代えて用い得る
フレネルレンズの形状を示す図、第３図は本考案
の他の実施例を示す要部構成図、第４図は液晶セ
ルの視角特性を示す図である。
主要部分の符号の説明、２……コンデンサレン
ズ、３……収束レンズ、４……液晶セル、５……
拡大投影レンズ、７……フレネルレンズ。
Fig. 1 is a configuration diagram showing one embodiment of the present invention;
The figure shows the shape of a Fresnel lens that can be used in place of the convergent lens in Fig. 1, Fig. 3 is a main part configuration diagram showing another embodiment of the present invention, and Fig. 4 shows the viewing angle characteristics of the liquid crystal cell. It is a diagram. Explanation of symbols of main parts, 2... Condenser lens, 3... Converging lens, 4... Liquid crystal cell, 5...
Magnifying projection lens, 7...Fresnel lens.
Claims (1)
、前記液晶セルを経た光をスクリーン面に拡大投
影する表示装置であつて、前記光学系は前記光源
光を前記液晶セルに対して収束光と入射せしめる
ようになされたことを特徴とする拡大投影表示装
置。 (2) 前記光学系は収束レンズ若しくはフレネル
レンズを含むことを特徴とする請求項１記載の拡
大投影表示装置。[Claims for Utility Model Registration] (1) A display device that includes an optical system that irradiates a liquid crystal cell with light from a light source, and enlarges and projects the light that has passed through the liquid crystal cell onto a screen, the optical system An enlarged projection display device, characterized in that said convergent light is made incident on said liquid crystal cell. (2) The enlarged projection display device according to claim 1, wherein the optical system includes a convergent lens or a Fresnel lens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7922988U JPH021774U (en) | 1988-06-15 | 1988-06-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7922988U JPH021774U (en) | 1988-06-15 | 1988-06-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH021774U true JPH021774U (en) | 1990-01-08 |
Family
ID=31304115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7922988U Pending JPH021774U (en) | 1988-06-15 | 1988-06-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH021774U (en) |
-
1988
- 1988-06-15 JP JP7922988U patent/JPH021774U/ja active Pending
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