JPH01151680U - - Google Patents
Info
- Publication number
- JPH01151680U JPH01151680U JP1988046762U JP4676288U JPH01151680U JP H01151680 U JPH01151680 U JP H01151680U JP 1988046762 U JP1988046762 U JP 1988046762U JP 4676288 U JP4676288 U JP 4676288U JP H01151680 U JPH01151680 U JP H01151680U
- Authority
- JP
- Japan
- Prior art keywords
- lenticular lens
- lenticules
- exit surface
- large number
- black stripes
- 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
- 238000010586 diagram Methods 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Landscapes
- Overhead Projectors And Projection Screens (AREA)
- Transforming Electric Information Into Light Information (AREA)
Description
第1図は本考案実施例のレンチキユラーレンズ
を用いたスクリーンの一部分を示す図、第2図は
第1図のスクリーンの断面図、第3図は実施例の
レンチキユラーレンズに貼り合わされる透明フイ
ルムを示す図、第4図は実施例における出射面で
の垂直方向の拡散を説明する図、第5図は本考案
に係わる背面投写型プロジエクシヨンテレビの基
本構成を示す図である。
2……レンチキユラーレンズ、21……レンチ
キユラー基板、21c……出射面、22……ラミ
ネート層、22a……レンチキユラー、23……
ブラツクストライプ。
FIG. 1 is a diagram showing a part of the screen using the lenticular lens of the embodiment of the present invention, FIG. 2 is a cross-sectional view of the screen of FIG. 1, and FIG. FIG. 4 is a diagram illustrating the vertical diffusion at the exit surface in the embodiment, and FIG. 5 is a diagram illustrating the basic configuration of the rear projection type projection television according to the present invention. . 2... Lenticular lens, 21... Lenticular substrate, 21c... Output surface, 22... Laminate layer, 22a... Lenticular, 23...
black stripe.
Claims (1)
投射光の出射面にするとともに裏面に上記ブラツ
クストライプのピツチ方向と平行な方向に並ぶ多
数のレンチキユラーを形成した背面投写型プロジ
エクシヨンテレビのレンチキユラーレンズにおい
て、 多数のレンチキユラーを形成した透明フイルム
を、該フイルムのレンチキユラーの並ぶ方向を前
記ブラツクストライプのピツチ方向と直角な方向
にして前記レンチキユラーレンズの出射面側に貼
り合わせてなることを特徴とするプロジエクシヨ
ンテレビのレンチキユラーレンズ。[Scope of Claim for Utility Model Registration] A rear projection type projector in which the gap between the black stripes formed on the front side is used as the exit surface of the projected light, and a large number of lenticules are formed on the back side in a direction parallel to the pitch direction of the black stripes. In the lenticular lens of Excision TV, a transparent film on which a large number of lenticules are formed is placed on the exit surface side of the lenticular lens with the direction in which the lenticulars of the film are arranged perpendicular to the pitch direction of the black stripe. A lenticular lens for projector televisions that is made by bonding together.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1988046762U JPH0743711Y2 (en) | 1988-04-08 | 1988-04-08 | Rear projection type projection TV screen |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1988046762U JPH0743711Y2 (en) | 1988-04-08 | 1988-04-08 | Rear projection type projection TV screen |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH01151680U true JPH01151680U (en) | 1989-10-19 |
JPH0743711Y2 JPH0743711Y2 (en) | 1995-10-09 |
Family
ID=31273015
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1988046762U Expired - Lifetime JPH0743711Y2 (en) | 1988-04-08 | 1988-04-08 | Rear projection type projection TV screen |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0743711Y2 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03149540A (en) * | 1989-11-07 | 1991-06-26 | Pioneer Electron Corp | Back projection type screen |
WO2002025369A1 (en) * | 2000-09-21 | 2002-03-28 | Hitachi, Ltd. | Image display |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5136932U (en) * | 1975-08-20 | 1976-03-18 | ||
JPS58146234U (en) * | 1982-03-26 | 1983-10-01 | 大日本印刷株式会社 | embossed focusing plate |
-
1988
- 1988-04-08 JP JP1988046762U patent/JPH0743711Y2/en not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5136932U (en) * | 1975-08-20 | 1976-03-18 | ||
JPS58146234U (en) * | 1982-03-26 | 1983-10-01 | 大日本印刷株式会社 | embossed focusing plate |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03149540A (en) * | 1989-11-07 | 1991-06-26 | Pioneer Electron Corp | Back projection type screen |
WO2002025369A1 (en) * | 2000-09-21 | 2002-03-28 | Hitachi, Ltd. | Image display |
Also Published As
Publication number | Publication date |
---|---|
JPH0743711Y2 (en) | 1995-10-09 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US5096278A (en) | Reflective screen for front-projection television | |
US4911529A (en) | Front projection screen | |
US4054907A (en) | Back projection apparatus | |
JPH0426454B2 (en) | ||
KR0142578B1 (en) | Rear projection screen assembly | |
JPH0830848B2 (en) | Multi-screen projector | |
JPH09274159A (en) | Stereoscopic image display device | |
JPH01151680U (en) | ||
JPH0321894B2 (en) | ||
JPH02135332A (en) | Lenticular lens for rear projection type projection television | |
JPH0218540A (en) | Transmissive back screen | |
JPH0563781B2 (en) | ||
JPS56142501A (en) | Fresnel lens sheet | |
JP2960512B2 (en) | Multi-screen multi-projection television | |
JPS643834U (en) | ||
JPH0521073Y2 (en) | ||
JPS63187139U (en) | ||
JPS61140346U (en) | ||
JPH06242509A (en) | Screen structure for projector | |
JPS6440838U (en) | ||
JPH0267326U (en) | ||
JP2501664Y2 (en) | Transparent screen | |
JPH02161418A (en) | Manufacture of transmissive screen | |
JPH0337437U (en) | ||
JPH02128144U (en) |