JPS5854601U - light control film - Google Patents
light control filmInfo
- Publication number
- JPS5854601U JPS5854601U JP15025981U JP15025981U JPS5854601U JP S5854601 U JPS5854601 U JP S5854601U JP 15025981 U JP15025981 U JP 15025981U JP 15025981 U JP15025981 U JP 15025981U JP S5854601 U JPS5854601 U JP S5854601U
- Authority
- JP
- Japan
- Prior art keywords
- light control
- control film
- thickness
- plate material
- louver
- 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
Landscapes
- Optical Elements Other Than Lenses (AREA)
- Laminated Bodies (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来のライトコントロールフィルムを示す説明
図、第２図は本考案の一実施例に係るライトコントロー
ルフィルムを示す説明図、第３゜４、 ５． ６図は夫
々他の実施例を示す正面図、第７図は他の実施例を示す
断面図である。
１１・・・板材、１２． Ｉｓ、 ｔｅ、 １７
． １８゜１９・・・ルーバー、Ｄ、 Ｆ・・・指示光
線、Ｅ、 Ｇ・・・外部光線、ｂ・・・ルーバーの巾、
Ｔ・・・板材の厚み、Ｐ・・・ルーバー相互間の間隔。Fig. 1 is an explanatory diagram showing a conventional light control film, Fig. 2 is an explanatory diagram showing a light control film according to an embodiment of the present invention, and Fig. 3 is an explanatory diagram showing a light control film according to an embodiment of the present invention. 6 is a front view showing other embodiments, and FIG. 7 is a sectional view showing another embodiment. 11... Board material, 12. Is, te, 17
．． 18゜19...louver, D, F...instruction beam, E, G...external light beam, b...louver width,
T: Thickness of the board, P: Distance between louvers.
Claims (3)
のルーバーを閉曲線もしくはうす巻き状の曲線をなすよ
うに相互に適当な間隔をおいて平行して多重に埋め込み
、上記ルーバーの巾方向より上記板材内に入射する光線
のみを透過させるようにしたことを特徴とするライトコ
ントロールフィルム。(1) A large number of black, minutely thick, elongated louvers are embedded in a transparent resin board material in multiple layers parallel to each other at appropriate intervals so as to form a closed or thinly wound curve. A light control film characterized in that only light rays entering the plate material from the width direction are transmitted therethrough.
の長さの比が、１．５〜３．０：１の割合である実用新
案登録請求の範囲第１項に記載のライトコントロールフ
ィルム。(2) The light control according to claim 1, wherein the ratio of the width of the louvers to the distance P between the louvers is 1.5 to 3.0:1. film.
７０％とし、かつ該ルーバーを含む透明樹脂層の両面に
、上記板材の厚みの１５〜３５％の厚みの透明樹脂層を
配して、三層一体にラミネートしてなる実用新案登録請
求の範囲第１項に記載のライトコントロールフィルム。 ゛（４）上記ルーバーの巾方向が上記板材の厚み方向よ
り□も０〜４５度の範囲で傾斜するようにした実用新案
登録請求の範囲第１項、第２項、第３項のうちいずれか
に記載のライトコントロールフィルム。(3) The width of the louver is 30~30 of the thickness T of the plate material.
70%, and a transparent resin layer with a thickness of 15 to 35% of the thickness of the plate material is arranged on both sides of the transparent resin layer including the louver, and the three layers are laminated together. The light control film according to item 1. (4) Any one of claims 1, 2, and 3, wherein the width direction of the louver is inclined within a range of 0 to 45 degrees from the thickness direction of the plate material. Light control film described in Crab.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15025981U JPS5854601U (en) | 1981-10-09 | 1981-10-09 | light control film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15025981U JPS5854601U (en) | 1981-10-09 | 1981-10-09 | light control film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5854601U true JPS5854601U (en) | 1983-04-13 |
Family
ID=29942992
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15025981U Pending JPS5854601U (en) | 1981-10-09 | 1981-10-09 | light control film |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5854601U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100878400B1 (en) | 2001-06-04 | 2009-01-13 | 하마마츠 포토닉스 가부시키가이샤 | Pin hole detector |
-
1981
- 1981-10-09 JP JP15025981U patent/JPS5854601U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100878400B1 (en) | 2001-06-04 | 2009-01-13 | 하마마츠 포토닉스 가부시키가이샤 | Pin hole detector |
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