JPH0236875U - - Google Patents
Info
- Publication number
- JPH0236875U JPH0236875U JP11534488U JP11534488U JPH0236875U JP H0236875 U JPH0236875 U JP H0236875U JP 11534488 U JP11534488 U JP 11534488U JP 11534488 U JP11534488 U JP 11534488U JP H0236875 U JPH0236875 U JP H0236875U
- Authority
- JP
- Japan
- Prior art keywords
- liquid crystal
- display device
- crystal display
- projector
- polarizing plate
- 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
- 230000003287 optical effect Effects 0.000 claims 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Description
第１図、第４図、第５図は本考案の実施例の模
式断面図、第２図ａは、二重像になることを説明
する説明図。第２図ｂ、第３図は本考案の原理説
明のための摸式断面図、第６図は従来例の摸式断
面図を示す。
１…上側偏光板、２…透明基板、３…下側偏光
板、４…フレネル反射板、５…液晶、６…液晶表
示装置、７…光源、８…反射鏡、９…投射レンズ
、１０…透過型投影機、１１…上側偏光板設置可
能部、１２…スクリーン、１３…パーソナルコン
ピユーター。
FIGS. 1, 4, and 5 are schematic sectional views of an embodiment of the present invention, and FIG. 2a is an explanatory diagram illustrating the formation of a double image. 2b and 3 are schematic cross-sectional views for explaining the principle of the present invention, and FIG. 6 is a schematic cross-sectional view of a conventional example. DESCRIPTION OF SYMBOLS 1...Upper polarizing plate, 2...Transparent substrate, 3...Lower polarizing plate, 4...Fresnel reflector, 5...Liquid crystal, 6...Liquid crystal display device, 7...Light source, 8...Reflector, 9...Projection lens, 10... Transmissive projector, 11... upper polarizing plate mountable part, 12... screen, 13... personal computer.
Claims (1)
て液晶表示装置の上側偏光板が、反射型投影機の
光源と液晶表示装置の間で、且つフレネル反射板
からの投影のための反射光の光路を妨げない位置
に配置されていることを特徴とする反射型投影機
。 (2) 上記上側偏光板が着脱可能なことを特徴と
する実用新案登録請求の範囲第１項記載の反射型
投影機。[Claims for Utility Model Registration] (1) In a reflective projector using a liquid crystal display device, the upper polarizing plate of the liquid crystal display device is located between the light source of the reflective projector and the liquid crystal display device and from the Fresnel reflector plate. What is claimed is: 1. A reflective projector, characterized in that the projector is placed in a position that does not obstruct the optical path of reflected light for projection of images. (2) The reflective projector according to claim 1, wherein the upper polarizing plate is removable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11534488U JPH0236875U (en) | 1988-09-01 | 1988-09-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11534488U JPH0236875U (en) | 1988-09-01 | 1988-09-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0236875U true JPH0236875U (en) | 1990-03-09 |
Family
ID=31356919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11534488U Pending JPH0236875U (en) | 1988-09-01 | 1988-09-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0236875U (en) |
-
1988
- 1988-09-01 JP JP11534488U patent/JPH0236875U/ja active Pending
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