JPS6349539U - - Google Patents
Info
- Publication number
- JPS6349539U JPS6349539U JP1986143045U JP14304586U JPS6349539U JP S6349539 U JPS6349539 U JP S6349539U JP 1986143045 U JP1986143045 U JP 1986143045U JP 14304586 U JP14304586 U JP 14304586U JP S6349539 U JPS6349539 U JP S6349539U
- Authority
- JP
- Japan
- Prior art keywords
- transmissive screen
- string
- incident light
- black
- serve
- 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
- 230000000630 rising effect Effects 0.000 claims description 3
- 239000000853 adhesive Substances 0.000 claims description 2
- 230000001070 adhesive effect Effects 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims description 2
- 230000005855 radiation Effects 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Description
第１図は本考案の第１及び第２の実施例を示す
要部の上面図、第２図は透過式スクリーンを用い
たプロジエクシヨンテレビジヨン受像機の基本的
配置の説明図、第３図はブラツクストライプスク
リーンの従来例を示す要部の上面図である。
３……透過式スクリーン、５―１，５―２，５
―３……レンチキユラーユニツト、１３，１４，
１８，１９，２３，２４……立ち上りの側面、１
５……低屈折率物質膜、１６……黒色膜、１７，
２９，３０……谷部、２５，２６……黒色ひも状
物質、２７，２８……接着剤。
FIG. 1 is a top view of the main parts showing the first and second embodiments of the present invention, FIG. 2 is an explanatory diagram of the basic arrangement of a projection television receiver using a transmission screen, and FIG. The figure is a top view of the main parts of a conventional example of a black stripe screen. 3... Transparent screen, 5-1, 5-2, 5
-3... Lenticular unit, 13, 14,
18, 19, 23, 24...Rising side, 1
5...Low refractive index material film, 16...Black film, 17,
29, 30... Tanibe, 25, 26... Black string-like substance, 27, 28... Adhesive.
Claims (1)
両側の立ち上り傾斜面が上記入射光線に対して全
反射面となり、頂面が放射面となる先細りのレン
チキユラーユニツトを連設してなる透過式スクリ
ーンにおいて、隣り合つたこのレンチキユラーユ
ニツトの立ち上りの側面で構成されるＶ字状の谷
に、面接触をしないように黒色ひも状物質を接着
してスクリーン３の表面をブラツクストライプ化
したことを特徴とする透過式スクリーン。 (2) ひも状物質は上記谷部に接着するために光
反射性の良い接着剤を使用した実用新案登録請求
の範囲第１項記載の透過式スクリーン。[Scope of claims for utility model registration] (1) On the front side from which the incident light from the back side is emitted,
In a transmissive screen consisting of a series of tapered lenticular units whose rising inclined surfaces on both sides serve as total reflection surfaces for the incident light beam and whose top surfaces serve as radiation surfaces, the lenticular units that are adjacent to each other are A transmissive screen characterized in that the surface of the screen 3 is made into a black stripe by adhering a black string-like substance to the V-shaped valley formed by the rising side surface so as not to make surface contact. (2) The transmissive screen according to claim 1, wherein a highly light-reflecting adhesive is used to bond the string-like material to the troughs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986143045U JPS6349539U (en) | 1986-09-18 | 1986-09-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986143045U JPS6349539U (en) | 1986-09-18 | 1986-09-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6349539U true JPS6349539U (en) | 1988-04-04 |
Family
ID=31052358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986143045U Pending JPS6349539U (en) | 1986-09-18 | 1986-09-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6349539U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9238187B2 (en) | 2010-04-22 | 2016-01-19 | Nifco Inc. | Filter device |
-
1986
- 1986-09-18 JP JP1986143045U patent/JPS6349539U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9238187B2 (en) | 2010-04-22 | 2016-01-19 | Nifco Inc. | Filter device |
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