JPS6128979B2 - - Google Patents
Info
- Publication number
- JPS6128979B2 JPS6128979B2 JP56212584A JP21258481A JPS6128979B2 JP S6128979 B2 JPS6128979 B2 JP S6128979B2 JP 56212584 A JP56212584 A JP 56212584A JP 21258481 A JP21258481 A JP 21258481A JP S6128979 B2 JPS6128979 B2 JP S6128979B2
- Authority
- JP
- Japan
- Prior art keywords
- total reflection
- lens unit
- rear projection
- projection screen
- 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.)
- Expired
Links
- NCGICGYLBXGBGN-UHFFFAOYSA-N 3-morpholin-4-yl-1-oxa-3-azonia-2-azanidacyclopent-3-en-5-imine;hydrochloride Chemical compound Cl.[N-]1OC(=N)C=[N+]1N1CCOCC1 NCGICGYLBXGBGN-UHFFFAOYSA-N 0.000 claims description 5
- 230000003287 optical effect Effects 0.000 claims description 5
- 230000031700 light absorption Effects 0.000 claims description 4
- 238000009792 diffusion process Methods 0.000 description 14
- 239000004925 Acrylic resin Substances 0.000 description 6
- 229920000178 Acrylic resin Polymers 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 229920003002 synthetic resin Polymers 0.000 description 3
- 239000000057 synthetic resin Substances 0.000 description 3
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000009751 slip forming Methods 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- -1 CaCO 3 Inorganic materials 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 229920005668 polycarbonate resin Polymers 0.000 description 1
- 239000004431 polycarbonate resin Substances 0.000 description 1
- 229920005672 polyolefin resin Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000007740 vapor deposition Methods 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)
- Optical Elements Other Than Lenses (AREA)
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56212584A JPS58114026A (ja) | 1981-12-28 | 1981-12-28 | 背面投影スクリ−ン |
| US06/386,255 US4469402A (en) | 1981-06-15 | 1982-06-08 | Rear projection screen |
| EP84113833A EP0163766B1 (en) | 1981-06-15 | 1982-06-11 | Rear projection screen |
| DE8484113833T DE3280238D1 (de) | 1981-06-15 | 1982-06-11 | Durchlichtprojektionsschirm. |
| EP82105129A EP0067430B1 (en) | 1981-06-15 | 1982-06-11 | Rear projection screen |
| DE8282105129T DE3268257D1 (en) | 1981-06-15 | 1982-06-11 | Rear projection screen |
| KR8202635A KR900001520B1 (ko) | 1981-06-15 | 1982-06-14 | 후면 투사스크린 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56212584A JPS58114026A (ja) | 1981-12-28 | 1981-12-28 | 背面投影スクリ−ン |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58114026A JPS58114026A (ja) | 1983-07-07 |
| JPS6128979B2 true JPS6128979B2 (ko) | 1986-07-03 |
Family
ID=16625116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56212584A Granted JPS58114026A (ja) | 1981-06-15 | 1981-12-28 | 背面投影スクリ−ン |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58114026A (ko) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DK172551B1 (da) * | 1988-09-28 | 1999-01-11 | Dainippon Printing Co Ltd | Baglysprojektionsskærm |
| JPH02135332A (ja) * | 1988-11-16 | 1990-05-24 | Pioneer Electron Corp | 背面投写型プロジェクションテレビのレンチキュラーレンズ |
| US5481385A (en) * | 1993-07-01 | 1996-01-02 | Alliedsignal Inc. | Direct view display device with array of tapered waveguide on viewer side |
| US5521726A (en) * | 1994-08-26 | 1996-05-28 | Alliedsignal Inc. | Polarizer with an array of tapered waveguides |
| US5657408A (en) * | 1994-12-23 | 1997-08-12 | Alliedsignal Inc. | Optical device comprising a plurality of units having at least two geometrically-differentiated tapered optical waveguides therein |
| JP2006251660A (ja) * | 2005-03-14 | 2006-09-21 | Fuji Photo Film Co Ltd | プリズムレンズフィルム及び平面型発光装置 |
| JP2006330723A (ja) * | 2005-05-20 | 2006-12-07 | Samsung Electronics Co Ltd | 光学プレート、これを有するバックライトアセンブリ、及び表示装置 |
| JP2009086208A (ja) * | 2007-09-28 | 2009-04-23 | Toppan Printing Co Ltd | 光学シート、バックライトユニット及びディスプレイ装置 |
-
1981
- 1981-12-28 JP JP56212584A patent/JPS58114026A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS58114026A (ja) | 1983-07-07 |
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