JPH0245580U - - Google Patents
Info
- Publication number
- JPH0245580U JPH0245580U JP12195988U JP12195988U JPH0245580U JP H0245580 U JPH0245580 U JP H0245580U JP 12195988 U JP12195988 U JP 12195988U JP 12195988 U JP12195988 U JP 12195988U JP H0245580 U JPH0245580 U JP H0245580U
- Authority
- JP
- Japan
- Prior art keywords
- liquid crystal
- polarizing plate
- reflective projection
- crystal display
- display device
- 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 6
- 230000005855 radiation Effects 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Landscapes
- Overhead Projectors And Projection Screens (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Description
第１，２，３，４図は本考案の実施例の模式断
面図を示す。第５図は従来の透過型表示装置の模
式断面図を示す。
１……光源、２……液晶パネル、３，４……偏
光板、５……フレネル反射板、６，８……放射レ
ンズ、７……上部反射鏡、９……ＦＰＣ、１０，
１１……カバープレート、１２……筐体、１３…
…スペーサー、１４……スクリーン。
Figures 1, 2, 3, and 4 show schematic cross-sectional views of embodiments of the present invention. FIG. 5 shows a schematic cross-sectional view of a conventional transmission type display device. 1... Light source, 2... Liquid crystal panel, 3, 4... Polarizing plate, 5... Fresnel reflector, 6, 8... Radiation lens, 7... Upper reflector, 9... FPC, 10,
11...cover plate, 12...casing, 13...
...Spacer, 14...Screen.
Claims (1)
いて、液晶表示装置の上側偏光板が、液晶表示装
置とスクリーンの間で、且つ光源からの液晶表示
装置への入射光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装置。 (2) 上記上側偏光板が、液晶表示装置と放射レ
ンズの間に配置されていることを特徴とする請求
項１記載の反射型投影装置。 (3) 上記上側偏光板が、放射レンズと上部反射
鏡の間に配置されていることを特徴とする請求項
１記載の反射型投影装置。 (4) 上記上側偏光板が、上部反射鏡とスクリー
ンの間に配置されていることを特徴とする請求項
１記載の反射型投影装置。 (5) 上記偏光板が着脱可能であることを特徴と
する請求項１乃至４記載の反射型投影装置。[Claims for Utility Model Registration] (1) In a reflective projection device using a liquid crystal display device, the upper polarizing plate of the liquid crystal display device is located between the liquid crystal display device and the screen, and is located between the liquid crystal display device and the screen, and A reflective projection device characterized in that it is arranged at a position that does not obstruct the optical path of incident light. (2) The reflective projection device according to claim 1, wherein the upper polarizing plate is disposed between the liquid crystal display device and the radiation lens. (3) The reflective projection device according to claim 1, wherein the upper polarizing plate is disposed between the radiation lens and the upper reflecting mirror. (4) The reflective projection device according to claim 1, wherein the upper polarizing plate is disposed between the upper reflecting mirror and the screen. (5) The reflective projection apparatus according to any one of claims 1 to 4, wherein the polarizing plate is removable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12195988U JPH0245580U (en) | 1988-09-16 | 1988-09-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12195988U JPH0245580U (en) | 1988-09-16 | 1988-09-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0245580U true JPH0245580U (en) | 1990-03-28 |
Family
ID=31369446
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12195988U Pending JPH0245580U (en) | 1988-09-16 | 1988-09-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0245580U (en) |
-
1988
- 1988-09-16 JP JP12195988U patent/JPH0245580U/ja active Pending
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