JPH0262476U - - Google Patents
Info
- Publication number
- JPH0262476U JPH0262476U JP13876788U JP13876788U JPH0262476U JP H0262476 U JPH0262476 U JP H0262476U JP 13876788 U JP13876788 U JP 13876788U JP 13876788 U JP13876788 U JP 13876788U JP H0262476 U JPH0262476 U JP H0262476U
- Authority
- JP
- Japan
- Prior art keywords
- liquid crystal
- crystal display
- display device
- type liquid
- display panel
- 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 12
- 230000003287 optical effect Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
Description
第１図および第２図は本考案の第１の実施例を
示す投影型液晶表示装置の側面図および液晶表示
パネルとレンズ面との間の光跡図、第３図および
第４図はそれぞれ本考案の第２および第３の実施
例を示す投影型液晶表示装置の側面図、第５図は
従来の投影型液晶表示装置の側面図、第６図およ
び第７図はそれぞれ従来の投影型液晶表示装置に
おける液晶表示パネルとレンズ面との間の光跡図
である。
１，１Ｒ，１Ｇ，１Ｂ……ＴＮ型液晶表示パネ
ル、２ａ，２ｂ……偏光板、３……光源、６……
投影レンズ系、７……投影レンズ、８……集光フ
レネルレンズ、９……スクリーン、１０……１／
４波長板（旋光体）、１１……ダイクロイツクプ
リズム。
1 and 2 are a side view of a projection type liquid crystal display device and a light trace diagram between a liquid crystal display panel and a lens surface showing a first embodiment of the present invention, and FIGS. 3 and 4 are respectively A side view of a projection type liquid crystal display device showing a second and third embodiment of the present invention, FIG. 5 is a side view of a conventional projection type liquid crystal display device, and FIGS. 6 and 7 are respectively a side view of a conventional projection type liquid crystal display device. FIG. 3 is a diagram of light traces between a liquid crystal display panel and a lens surface in a liquid crystal display device. 1, 1R, 1G, 1B...TN type liquid crystal display panel, 2a, 2b...Polarizing plate, 3...Light source, 6...
Projection lens system, 7...Projection lens, 8...Condensing Fresnel lens, 9...Screen, 10...1/
4 wavelength plate (optical rotator), 11... dichroic prism.
Claims (1)
り拡大してスクリーン面に投影する投影型液晶表
示装置において、少なくとも出射側に偏光板を有
した液晶表示パネルと投影レンズ系との間に、透
過光をほぼ４５°旋光させる旋光体を設けたこと
を特徴とする投影型液晶表示装置。 In a projection type liquid crystal display device in which a display image on a liquid crystal display panel is magnified by a projection lens system and projected onto a screen surface, transmitted light is transmitted between the liquid crystal display panel, which has a polarizing plate at least on the output side, and the projection lens system. A projection type liquid crystal display device characterized by being provided with an optical rotator that rotates light by approximately 45 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13876788U JPH0262476U (en) | 1988-10-25 | 1988-10-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13876788U JPH0262476U (en) | 1988-10-25 | 1988-10-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0262476U true JPH0262476U (en) | 1990-05-10 |
Family
ID=31401414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13876788U Pending JPH0262476U (en) | 1988-10-25 | 1988-10-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0262476U (en) |
Cited By (1)
| 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 |
-
1988
- 1988-10-25 JP JP13876788U patent/JPH0262476U/ja active Pending
Cited By (1)
| 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 |
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