JPH0290824U - - Google Patents
Info
- Publication number
- JPH0290824U JPH0290824U JP17026988U JP17026988U JPH0290824U JP H0290824 U JPH0290824 U JP H0290824U JP 17026988 U JP17026988 U JP 17026988U JP 17026988 U JP17026988 U JP 17026988U JP H0290824 U JPH0290824 U JP H0290824U
- Authority
- JP
- Japan
- Prior art keywords
- liquid crystal
- crystal display
- display panel
- dichroic
- light
- 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 10
- 230000005540 biological transmission Effects 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 claims 1
- 230000010287 polarization Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 230000003595 spectral effect Effects 0.000 description 2
Landscapes
- Liquid Crystal (AREA)
- Video Image Reproduction Devices For Color Tv Systems (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Description
第1図および第2図はこの考案の一実施例を示
し、第1図は液晶プロジエクタの構成図、第2図
はそのダイクロイツクプリズムのダイクロイツク
面における分光特性を示す図、第3図および第4
図に従来例を示し、第3図はその液晶プロジエク
タの構成図、第4図は従来例の分光特性を示す図
である。
1……ダイクロイツクプリズム、1a……ダイ
クロイツク面、2〜4……液晶表示パネル、5…
…光源、6,7……ダイクロイツクミラー、8〜
12……全反射ミラー、14……波長板。
1 and 2 show an embodiment of this invention, FIG. 1 is a configuration diagram of a liquid crystal projector, FIG. 2 is a diagram showing the spectral characteristics on the dichroic surface of the dichroic prism, and FIGS. Fourth
A conventional example is shown in the figure, FIG. 3 is a block diagram of the liquid crystal projector, and FIG. 4 is a diagram showing the spectral characteristics of the conventional example. 1...Dichroic prism, 1a...Dichroic surface, 2-4...Liquid crystal display panel, 5...
...Light source, 6,7...Dichroic mirror, 8~
12... Total reflection mirror, 14... Wave plate.
Claims (1)
して各色用の液晶表示パネルに照射し、この各色
用の液晶表示パネルに表示された各画像をダイク
ロイツクプリズム内のダイクロイツク面で反射お
よび透過により合成投影する液晶プロジエクタに
おいて、 前記各液晶表示パネルのうち、前記ダイクロイ
ツクプリズム内のダイクロイツク面を透過する画
像を表示する液晶表示パネル、または前記ダイク
ロイツク面で反射される画像を表示する液晶表示
パネルの入射側および出射側のいずれかに、光の
偏光方向を変える変換部材を設けたことを特徴と
する液晶プロジエクタ。[Claim for Utility Model Registration] Light from a light source is divided into wavelengths of red, green, blue, etc. and irradiated onto a liquid crystal display panel for each color, and each image displayed on the liquid crystal display panel for each color. In a liquid crystal projector that synthesizes and projects images by reflection and transmission on a dichroic surface in a dichroic prism, of each of the liquid crystal display panels, a liquid crystal display panel that displays an image transmitted through a dichroic surface in the dichroic prism, or A liquid crystal projector characterized in that a conversion member for changing the polarization direction of light is provided on either an incident side or an output side of a liquid crystal display panel that displays an image reflected by the dichroic surface.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17026988U JPH0290824U (en) | 1988-12-30 | 1988-12-30 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17026988U JPH0290824U (en) | 1988-12-30 | 1988-12-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0290824U true JPH0290824U (en) | 1990-07-18 |
Family
ID=31461067
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP17026988U Pending JPH0290824U (en) | 1988-12-30 | 1988-12-30 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0290824U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04131815A (en) * | 1990-09-21 | 1992-05-06 | Matsushita Electric Ind Co Ltd | Projection type display device |
US7963657B2 (en) | 2007-03-16 | 2011-06-21 | Sanyo Electric Co., Ltd. | Projection display device |
-
1988
- 1988-12-30 JP JP17026988U patent/JPH0290824U/ja active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04131815A (en) * | 1990-09-21 | 1992-05-06 | Matsushita Electric Ind Co Ltd | Projection type display device |
US7963657B2 (en) | 2007-03-16 | 2011-06-21 | Sanyo Electric Co., Ltd. | Projection display device |
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