JPH02121781U - - Google Patents
Info
- Publication number
- JPH02121781U JPH02121781U JP3067989U JP3067989U JPH02121781U JP H02121781 U JPH02121781 U JP H02121781U JP 3067989 U JP3067989 U JP 3067989U JP 3067989 U JP3067989 U JP 3067989U JP H02121781 U JPH02121781 U JP H02121781U
- Authority
- JP
- Japan
- Prior art keywords
- display device
- projection
- piezoelectric actuator
- type display
- projection lens
- 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
- 230000003287 optical effect Effects 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 7
Landscapes
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Liquid Crystal (AREA)
- Transforming Electric Information Into Light Information (AREA)
Description
第１図は、本考案の投射型表示装置の原理を示
す図。第２図は、本考案の投射型表示装置の構造
を示す図。第３図は、本考案の投射型表示装置の
反射手段の動きと、スクリーン上の像の動きの関
係を示す図。第４図は、反射手段と光軸とのなす
角度と時間の関係を示す図。第５図は、従来の投
射型表示装置の構造を示す図。第６図は、本考案
の投射型表示装置の表示画面の概略図。第７図は
、従来の投射型表示装置の表示画面の概略図。
１……圧電アクチユエーター、２……反射手段
、３……投射レンズユニツト、４……透過型ライ
トバルブ、５……ダイクロイツクプリズム、６…
…反射ミラー、７……ダイクロイツクミラー、８
……フイルター、９……光源、１０……スクリー
ン、１１……コリメーターレンズ、１２……画素
、１３……ストライプ状に現われた、光の当たら
ない領域、１４……格子状に現われた、光の当た
らない領域。
FIG. 1 is a diagram showing the principle of the projection type display device of the present invention. FIG. 2 is a diagram showing the structure of the projection type display device of the present invention. FIG. 3 is a diagram showing the relationship between the movement of the reflecting means of the projection display device of the present invention and the movement of the image on the screen. FIG. 4 is a diagram showing the relationship between the angle between the reflecting means and the optical axis and time. FIG. 5 is a diagram showing the structure of a conventional projection display device. FIG. 6 is a schematic diagram of the display screen of the projection display device of the present invention. FIG. 7 is a schematic diagram of a display screen of a conventional projection display device. DESCRIPTION OF SYMBOLS 1... Piezoelectric actuator, 2... Reflection means, 3... Projection lens unit, 4... Transmissive light valve, 5... Dichroic prism, 6...
...Reflection mirror, 7...Dichroic mirror, 8
...Filter, 9...Light source, 10...Screen, 11...Collimator lens, 12...Pixel, 13...A region where no light hits, appearing in a stripe shape, 14...Appearing in a grid pattern, An area that is not illuminated by light.
Claims (1)
構成される投射型表示装置において、この投射レ
ンズの先に圧電アクチユエーターに取り付けられ
た反射手段を有し、前記圧電アクチユエーターを
用いて、この反射手段と光軸とのなす角度を、時
間的に変化させることを特徴とする投射型表示装
置。 A projection type display device consisting of a light source, a transmission type light valve, and a projection lens has a reflecting means attached to a piezoelectric actuator at the tip of the projection lens, and the piezoelectric actuator is used to reflect this reflection. A projection type display device characterized in that the angle formed between the means and the optical axis is changed over time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3067989U JPH02121781U (en) | 1989-03-17 | 1989-03-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3067989U JPH02121781U (en) | 1989-03-17 | 1989-03-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02121781U true JPH02121781U (en) | 1990-10-03 |
Family
ID=31255953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3067989U Pending JPH02121781U (en) | 1989-03-17 | 1989-03-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02121781U (en) |
-
1989
- 1989-03-17 JP JP3067989U patent/JPH02121781U/ja active Pending