JPH0373923U - - Google Patents
Info
- Publication number
- JPH0373923U JPH0373923U JP13461789U JP13461789U JPH0373923U JP H0373923 U JPH0373923 U JP H0373923U JP 13461789 U JP13461789 U JP 13461789U JP 13461789 U JP13461789 U JP 13461789U JP H0373923 U JPH0373923 U JP H0373923U
- Authority
- JP
- Japan
- Prior art keywords
- components
- liquid crystal
- light
- green
- blue
- 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 7
- 230000003287 optical effect Effects 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000003786 synthesis reaction Methods 0.000 claims 1
- 230000002194 synthesizing effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Transforming Electric Information Into Light Information (AREA)
- Video Image Reproduction Devices For Color Tv Systems (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Liquid Crystal (AREA)
Description
第１図は本考案の一実施例における液晶プロジ
エクタの光学系を示す図、第２図イ，ロは夫々、
コンデンサレンズの側面図及び正面図、第３図は
従来の液晶プロジエクタの光学系を示す図である
。
１……光源、７，９，１１……液晶パネル、６
，８，１０，１６，１７，１８……コンデンサレ
ンズ、１９，１９……偏光板。
Fig. 1 is a diagram showing the optical system of a liquid crystal projector in an embodiment of the present invention, and Fig. 2 A and B are respectively shown.
A side view and a front view of the condenser lens, and FIG. 3 are diagrams showing the optical system of a conventional liquid crystal projector. 1... Light source, 7, 9, 11... Liquid crystal panel, 6
, 8, 10, 16, 17, 18... condenser lens, 19, 19... polarizing plate.
Claims (1)
源と、該光源からの光を赤、緑、青の３成分に分
離する複数の分離用のダイクロイツクミラーと、
前記分離された赤、緑、青の３成分の各光路中に
挿入され、画像情報に応じて前記３成分の光を変
調する液晶パネルと、この液晶パネルの前に配さ
れるコンデンサレンズと、該液晶パネルを透過し
た３成分の光を合成する複数の合成用ダイクロイ
ツクミラーとを備える液晶プロジエクタにおいて
、 前記コンデンサレンズにフレネルレンズを用い
たことを特徴とする液晶プロジエクタ。[Claims for Utility Model Registration] A light source that emits light of at least three components of red, green, and blue, and a plurality of separating dichroic mirrors that separate the light from the light source into three components of red, green, and blue. ,
a liquid crystal panel inserted into each of the optical paths of the three separated red, green, and blue components and modulating the three components of light according to image information; a condenser lens disposed in front of the liquid crystal panel; A liquid crystal projector comprising a plurality of synthesis dichroic mirrors for synthesizing three components of light transmitted through the liquid crystal panel, characterized in that a Fresnel lens is used as the condenser lens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13461789U JPH0373923U (en) | 1989-11-20 | 1989-11-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13461789U JPH0373923U (en) | 1989-11-20 | 1989-11-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0373923U true JPH0373923U (en) | 1991-07-25 |
Family
ID=31681942
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13461789U Pending JPH0373923U (en) | 1989-11-20 | 1989-11-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0373923U (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62262035A (en) * | 1986-05-07 | 1987-11-14 | Matsushita Electric Ind Co Ltd | Projector |
| JPS6346490A (en) * | 1986-04-15 | 1988-02-27 | セイコーエプソン株式会社 | Projection type liquid crystal display device |
| JPS6326879B2 (en) * | 1983-03-04 | 1988-05-31 | Sharp Kk | |
| JPH01209481A (en) * | 1988-02-18 | 1989-08-23 | Kawasaki Heavy Ind Ltd | Liquid panel structure for projecting image |
-
1989
- 1989-11-20 JP JP13461789U patent/JPH0373923U/ja active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6326879B2 (en) * | 1983-03-04 | 1988-05-31 | Sharp Kk | |
| JPS6346490A (en) * | 1986-04-15 | 1988-02-27 | セイコーエプソン株式会社 | Projection type liquid crystal display device |
| JPS62262035A (en) * | 1986-05-07 | 1987-11-14 | Matsushita Electric Ind Co Ltd | Projector |
| JPH01209481A (en) * | 1988-02-18 | 1989-08-23 | Kawasaki Heavy Ind Ltd | Liquid panel structure for projecting image |
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