JPH0337437U - - Google Patents
Info
- Publication number
- JPH0337437U JPH0337437U JP1989097734U JP9773489U JPH0337437U JP H0337437 U JPH0337437 U JP H0337437U JP 1989097734 U JP1989097734 U JP 1989097734U JP 9773489 U JP9773489 U JP 9773489U JP H0337437 U JPH0337437 U JP H0337437U
- Authority
- JP
- Japan
- Prior art keywords
- projection screen
- lenticular lens
- pitch
- lens
- fresnel 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.)
- Granted
Links
- 230000031700 light absorption Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
Landscapes
- Overhead Projectors And Projection Screens (AREA)
- Transforming Electric Information Into Light Information (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Description
第1図は、本考案によるプロジエクシヨンスク
リーンの実施例を模式的に示した図である。
1……プロジエクシヨンスクリーン、2……レ
ンチキユラーレンズシート、3……レンチキユラ
ーレンズ、4……光吸収帯(ブラツクストライプ
)、5……フレネルレンズシート、6……フレネ
ルレンズ、7……マイクロレンチキユラーレンズ
、8……液晶プロジエクタ。
FIG. 1 is a diagram schematically showing an embodiment of a projection screen according to the present invention. 1... Projection screen, 2... Lenticular lens sheet, 3... Lenticular lens, 4... Light absorption band (black stripe), 5... Fresnel lens sheet, 6... Fresnel lens, 7 ...Micro lenticular lens, 8...Liquid crystal projector.
Claims (1)
出射面に光吸収帯が形成されたレンチキユラーレ
ンズシートを観察側に配置し、出射面にフレネル
レンズが形成されたフレネルレンズシートを光源
側に配置したプロジエクシヨンスクリーンにおい
て、前記フレネルレンズシートの入射面に前記レ
ンチキユラーレンズと同方向であつてピツチの小
さいマイクロレンチキユラーレンズを形成したこ
とを特徴とするプロジエクシヨンスクリーン。 (2) 前記マイクロレンチキユラーレンズは、そ
のピツチが投映される画素のピツチよりも小さい
ことを特徴とする請求項(1)記載のプロジエクシ
ヨンスクリーン。[Claims for Utility Model Registration] (1) A lenticular lens sheet in which a lenticular lens is formed on the incident surface and a light absorption band is formed on the output surface is placed on the observation side, and a Fresnel lens is formed on the output surface. A projection screen having a Fresnel lens sheet arranged on the light source side, characterized in that a micro lenticular lens with a small pitch and in the same direction as the lenticular lens is formed on the entrance surface of the Fresnel lens sheet. Projection screen. (2) The projection screen according to claim (1), wherein the pitch of the microlenticular lens is smaller than the pitch of the projected pixels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989097734U JPH0743712Y2 (en) | 1989-08-22 | 1989-08-22 | Projection screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989097734U JPH0743712Y2 (en) | 1989-08-22 | 1989-08-22 | Projection screen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0337437U true JPH0337437U (en) | 1991-04-11 |
| JPH0743712Y2 JPH0743712Y2 (en) | 1995-10-09 |
Family
ID=31646866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989097734U Expired - Fee Related JPH0743712Y2 (en) | 1989-08-22 | 1989-08-22 | Projection screen |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0743712Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002541517A (en) * | 1999-04-01 | 2002-12-03 | ハネウエル・インコーポレーテッド | Display screen and manufacturing method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60263932A (en) * | 1984-06-13 | 1985-12-27 | Hitachi Ltd | image projection device |
-
1989
- 1989-08-22 JP JP1989097734U patent/JPH0743712Y2/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60263932A (en) * | 1984-06-13 | 1985-12-27 | Hitachi Ltd | image projection device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002541517A (en) * | 1999-04-01 | 2002-12-03 | ハネウエル・インコーポレーテッド | Display screen and manufacturing method |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0743712Y2 (en) | 1995-10-09 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |