JPH0480370B2 - - Google Patents
Info
- Publication number
- JPH0480370B2 JPH0480370B2 JP60149224A JP14922485A JPH0480370B2 JP H0480370 B2 JPH0480370 B2 JP H0480370B2 JP 60149224 A JP60149224 A JP 60149224A JP 14922485 A JP14922485 A JP 14922485A JP H0480370 B2 JPH0480370 B2 JP H0480370B2
- Authority
- JP
- Japan
- Prior art keywords
- screen
- light
- rear projection
- prism
- projection screen
- 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.)
- Expired - Lifetime
Links
- 230000003287 optical effect Effects 0.000 claims description 16
- 230000007423 decrease Effects 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/54—Accessories
- G03B21/56—Projection screens
- G03B21/60—Projection screens characterised by the nature of the surface
- G03B21/62—Translucent screens
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Overhead Projectors And Projection Screens (AREA)
- Transforming Electric Information Into Light Information (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP60149224A JPS6210637A (ja) | 1985-07-09 | 1985-07-09 | 背面投影スクリ−ン |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP60149224A JPS6210637A (ja) | 1985-07-09 | 1985-07-09 | 背面投影スクリ−ン |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6210637A JPS6210637A (ja) | 1987-01-19 |
JPH0480370B2 true JPH0480370B2 (ko) | 1992-12-18 |
Family
ID=15470573
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP60149224A Granted JPS6210637A (ja) | 1985-07-09 | 1985-07-09 | 背面投影スクリ−ン |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6210637A (ko) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004170862A (ja) * | 2002-11-22 | 2004-06-17 | Dainippon Printing Co Ltd | フレネルレンズ |
JP2005122008A (ja) * | 2003-10-20 | 2005-05-12 | Toppan Printing Co Ltd | 反射防止性能を有する光拡散シートおよびプロジェクションスクリーン |
JP4828641B2 (ja) * | 2003-12-17 | 2011-11-30 | 三菱電機株式会社 | フレネル光学素子及び投写型表示装置 |
WO2005059604A1 (ja) * | 2003-12-17 | 2005-06-30 | Mitsubishi Denki Kabushiki Kaisha | フレネル光学素子及び投写型表示装置 |
JP4991000B2 (ja) * | 2003-12-17 | 2012-08-01 | 三菱電機株式会社 | フレネル光学素子及び投写型表示装置 |
EP1784688B8 (en) * | 2004-09-04 | 2013-04-24 | Lg Chem, Ltd. | Rear projection screen |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5136932B2 (ko) * | 1973-07-02 | 1976-10-13 | ||
JPS5273031A (en) * | 1975-12-13 | 1977-06-18 | Tokyo Purasuchitsuku Renzu Kk | Transmission type screen |
JPS59119340A (ja) * | 1982-12-27 | 1984-07-10 | Mitsubishi Rayon Co Ltd | フレネルレンズ |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5136932U (ko) * | 1975-08-20 | 1976-03-18 |
-
1985
- 1985-07-09 JP JP60149224A patent/JPS6210637A/ja active Granted
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5136932B2 (ko) * | 1973-07-02 | 1976-10-13 | ||
JPS5273031A (en) * | 1975-12-13 | 1977-06-18 | Tokyo Purasuchitsuku Renzu Kk | Transmission type screen |
JPS59119340A (ja) * | 1982-12-27 | 1984-07-10 | Mitsubishi Rayon Co Ltd | フレネルレンズ |
Also Published As
Publication number | Publication date |
---|---|
JPS6210637A (ja) | 1987-01-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EXPY | Cancellation because of completion of term |